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Document and Entity Information Document - shares	6 Months Ended
Document and Entity Information Document - shares	Mar. 01, 2012	Apr. 02, 2012
Entity Information [Line Items]
Entity Registrant Name	MICRON TECHNOLOGY INC
Entity Central Index Key	0000723125
Current Fiscal Year End Date	--08-30
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 01, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		989,627,195

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Income Statement [Abstract]
Net sales	$ 2,009	$ 2,257	$ 4,099	$ 4,509
Cost of goods sold	1,799	1,822	3,584	3,550
Gross margin	210	435	515	959
Selling, general and administrative	174	146	325	286
Research and development	222	186	452	371
Other operating (income) expense, net	19	(76)	25	(267)
Operating income (loss)	(205)	179	(287)	569
Interest income	2	7	4	15
Interest expense	(35)	(28)	(70)	(66)
Other non-operating income (expense), net	38	0	38	(114)
Total income (loss) before income taxes	(200)	158	(315)	404
Income tax provision	(9)	(35)	(7)	(83)
Equity in net income (loss) of equity method investees, net of tax	(73)	(48)	(147)	(74)
Net income (loss)	(282)	75	(469)	247
Net income attributable to noncontrolling interests	0	(3)	0	(20)
Net income (loss) attributable to Micron	$ (282)	$ 72	$ (469)	$ 227
Earnings (loss) per share:
Basic (in dollars per share)	$ (0.29)	$ 0.07	$ (0.48)	$ 0.23
Diluted (in dollars per share)	$ (0.29)	$ 0.07	$ (0.48)	$ 0.22
Number of shares used in per share calculations:
Basic (in shares)	982.8	988.1	982.1	980.5
Diluted (in shares)	982.8	1,037.3	982.1	1,034.5

CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Assets
Cash and equivalents	$ 2,094	$ 2,160
Receivables	1,241	1,497
Inventories	2,081	2,080
Other current assets	243	95
Total current assets	5,659	5,832
Intangible assets, net	400	414
Property, plant and equipment, net	7,357	7,555
Equity method investments	335	483
Other noncurrent assets	388	468
Total assets	14,139	14,752
Liabilities and equity
Accounts payable and accrued expenses	1,457	1,830
Deferred income	364	443
Equipment purchase contracts	131	67
Current portion of long-term debt	150	140
Total current liabilities	2,102	2,480
Long-term debt	2,165	1,861
Other noncurrent liabilities	513	559
Total liabilities	4,780	4,900
Commitments and contingencies
Micron shareholders' equity:
Common stock, $0.10 par value, 3,000 shares authorized, 989.4 shares issued and outstanding (984.3 as of September 1, 2011)	99	98
Additional capital	8,658	8,610
Accumulated deficit	(839)	(370)
Accumulated other comprehensive income	68	132
Total Micron shareholders' equity	7,986	8,470
Noncontrolling interests in subsidiaries	1,373	1,382
Total equity	9,359	9,852
Total liabilities and equity	$ 14,139	$ 14,752

CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - $ / shares shares in Millions	Mar. 01, 2012	Sep. 01, 2011
Liabilities and equity
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common Stock, authorized shares (in shares)	3,000.0	3,000.0
Common Stock, issued (in shares)	989.4	984.3
Common Stock, outstanding (in shares)	989.4	984.3

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011
Cash flows from operating activities
Net income (loss)	$ (469)	$ 247
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation expense and amortization of intangible assets	1,133	1,003
Amortization of debt discount and other costs	34	30
Equity in net (income) losses of equity method investees, net of tax	147	74
Stock-based compensation	50	38
Loss on extinguishment of debt	0	111
Change in operating assets and liabilities:
Receivables	225	154
Inventories	(1)	(196)
Accounts payable and accrued expenses	(40)	94
Deferred income	(74)	(11)
Other	(27)	(3)
Net cash provided by operating activities	978	1,541
Cash flows from investing activities
Expenditures for property, plant and equipment	(1,089)	(1,189)
Loan to Inotera	(133)	0
Additions to equity method investments	(7)	(11)
Acquisition of noncontrolling interests in TECH	0	(159)
Proceeds from sales of property, plant and equipment	48	96
Return of equity method investment	0	48
Other	(2)	(23)
Net cash used for investing activities	(1,183)	(1,238)
Cash flows from financing activities
Proceeds from equipment sale-leaseback transactions	340	95
Cash received from noncontrolling interests	138	4
Distributions to noncontrolling interests	(147)	(99)
Repayments of debt	(101)	(812)
Payments on equipment purchase contracts	(86)	(221)
Other	(5)	1
Net cash provided by (used for) financing activities	139	(1,032)
Net decrease in cash and equivalents	(66)	(729)
Cash and equivalents at beginning of period	2,160	2,913
Cash and equivalents at end of period	2,094	2,184
Supplemental disclosures
Income taxes refunded (paid), net	29	(60)
Interest paid, net of amounts capitalized	(28)	(35)
Noncash investing and financing activities:
Equipment acquisitions on contracts payable and capital leases	533	187
Exchange of convertible notes	$ 0	$ 175

Business and Basis of Presentation	6 Months Ended
Business and Basis of Presentation	Mar. 01, 2012
Notes to Financial Statements [Abstract]
Business and Basis of Presentation	Business and Basis of Presentation Micron Technology, Inc. and its consolidated subsidiaries (hereinafter referred to collectively as "we," "our," "us" and similar terms unless the context indicates otherwise) is a global manufacturer and marketer of semiconductor devices, principally DRAM, NAND Flash and NOR Flash memory, as well as other innovative memory technologies, packaging solutions and semiconductor systems for use in leading-edge computing, consumer, networking, embedded and mobile products. In addition, we manufacture CMOS image sensors and other semiconductor products. The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America consistent in all material respects with those applied in our Annual Report on Form 10-K for the year ended September 1, 2011. In the opinion of our management, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly our consolidated financial position and our consolidated results of operations and cash flows. Certain reclassifications have been made to prior period amounts to conform to current period presentation. Our fiscal year is the 52 or 53-week period ending on the Thursday closest to August 31. Our second quarters of fiscal 2012 and 2011 ended on March 1, 2012 and March 3, 2011, respectively. Our fiscal 2011 ended on September 1, 2011. All period references are to our fiscal periods unless otherwise indicated. These interim financial statements should be read in conjunction with the consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the year ended September 1, 2011.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

+ References

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 2-6
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+ Details

Variable Interest Entities	6 Months Ended
Variable Interest Entities	Mar. 01, 2012
Notes to Financial Statements [Abstract]
Variable Interest Entities	Variable Interest Entities We have interests in joint venture entities that are Variable Interest Entities ("VIEs"). If we are the primary beneficiary of a VIE, we are required to consolidate it. To determine if we are the primary beneficiary, we evaluate whether we have the power to direct the activities that most significantly impact the VIE's economic performance and the obligation to absorb losses or the right to receive benefits of the VIE that could potentially be significant to the VIE. Our evaluation includes identification of significant activities and an assessment of our ability to direct those activities based on governance provisions and arrangements to provide or receive product and process technology, product supply, operations services, equity funding, financing and other applicable agreements and circumstances. Our assessments of whether we are the primary beneficiary of our VIEs require significant assumptions and judgment. Unconsolidated Variable Interest Entities Inotera – Inotera Memories, Inc. ("Inotera") is a VIE because of the terms of its supply agreement with us and our partner, Nanya Technology Corporation ("Nanya"). We have determined that we do not have power to direct the activities of Inotera that most significantly impact its economic performance, primarily due to (1) limitations on our governance rights that require the consent of other parties for key operating decisions and (2) our dependence on our joint venture partner for financing and the ability to operate in Taiwan. Therefore, we account for our interest in Inotera under the equity method. Transform – Transform Solar Pty Ltd. ("Transform") is a VIE because its equity is not sufficient to permit it to finance its activities without additional financial support from us or our partner, Origin Energy Limited ("Origin"). We have determined that we do not have power to direct the activities of Transform that most significantly impact its economic performance, primarily due to limitations on our governance rights that require the consent of Origin for key operating decisions. Therefore, we account for our interest in Transform under the equity method. EQUVO – EQUVO HK Limited (“EQUVO”) is a special purpose entity created to facilitate an equipment sale-leaseback financing transaction between us and a consortium of financial institutions. Neither we nor the financial institutions have an equity interest in EQUVO. EQUVO is a VIE because its equity is not sufficient to permit it to finance its activities without additional support from the financial institutions and because the third-party equity holder lacks characteristics of a controlling financial interest. By design, the EQUVO arrangement is merely a financing vehicle and we do not bear any significant risks from variable interests with EQUVO. Therefore, we have determined that we do not have the power to direct the activities of EQUVO that impact its economic performance and we do not consolidate EQUVO. For further information regarding our VIEs that we account for under the equity method, see "Equity Method Investments" note. Consolidated Variable Interest Entities IMFT and IMFS – IM Flash Technologies, LLC ("IMFT") and IM Flash Singapore, LLP ("IMFS") are both VIEs because all of their costs are passed to us and our partner, Intel Corporation ("Intel"), through product purchase agreements and they are dependent upon us or Intel for any additional cash requirements. For both IM Flash entities (i.e., IMFT and IMFS), we determined that we have the power to direct the activities of the entities that most significantly impact their economic performance. The primary activities of the IM Flash entities are driven by the constant introduction of product and process technology. Because we perform a significant majority of the technology development, we have the power to direct key activities of the entities. In addition, IMFT manufactures certain products exclusively for us using our technology. As a result of our 82% ownership interest in IMFS as of March 1, 2012, we had significantly greater economic exposure than Intel. We also determined that we have the obligation to absorb losses and the right to receive benefits from the IM Flash entities that could potentially be significant to these entities. Therefore, we consolidate the IM Flash entities. On February 27, 2012, we entered into agreements with Intel relating to our IMFS and IMFT joint ventures. The transactions contemplated by such agreements became effective on April 6, 2012. For further information regarding the effect of these agreements, see "IM Flash Agreements" note. MP Mask – MP Mask Technology Center, LLC ("MP Mask") is a VIE because all of its costs are passed to us and our partner, Photronics, Inc. ("Photronics"), through product purchase agreements and it is dependent upon us or Photronics for any additional cash requirements. We determined that we have the power to direct the activities of MP Mask that most significantly impact its economic performance, primarily because (1) of our tie-breaking voting rights over key operating decisions and (2) nearly all key MP Mask activities are driven by our supply needs. We also determined that we have the obligation to absorb losses and the right to receive benefits from MP Mask that could potentially be significant to MP Mask. Therefore, we consolidate MP Mask. For further information regarding our consolidated VIEs, see "Consolidated Variable Interest Entities" note.

- Definition

Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

Recently Issued Accounting Standards	6 Months Ended
Recently Issued Accounting Standards	Mar. 01, 2012
Notes to Financial Statements [Abstract]
Recently Issued Accounting Standards	Recently Issued Accounting Standards In May 2011, the Financial Accounting Standards Board ("FASB") issued a new accounting standard on fair value measurements that clarifies the application of existing guidance and disclosure requirements, changes certain fair value measurement principles and requires additional disclosures about fair value measurements. We are required to adopt this standard in the third quarter of 2012. We do not expect this adoption to have a material impact on our financial statements. In June 2011, the FASB issued a new accounting standard on the presentation of comprehensive income. The new standard requires the presentation of comprehensive income, the components of net income and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. We are required to adopt this standard as of the beginning of 2013. The new standard also required presentation of adjustments for items that are reclassified from other comprehensive income to net income in the statement where the components of net income and the components of other comprehensive income are presented, which was indefinitely deferred by an update issued by the FASB in December 2011. The adoption of these standards will only impact the presentation of our financial statements.

Receivables

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Receivables



As of	March 1, 2012		September 1, 2011
Trade receivables (net of allowance for doubtful accounts of $2 and $3, respectively)	$	913	$	1,105
Income and other taxes	98		137
Related party receivables	83		72
Other	147		183
	$	1,241	$	1,497

As of March 1, 2012 and September 1, 2011, related party receivables included $74 million and $67 million, respectively, due from Aptina Imaging Corporation ("Aptina") primarily for sales of image sensor products under a wafer supply agreement. (See "Equity Method Investments" note.)

As of March 1, 2012 and September 1, 2011, other receivables included $26 million and $34 million, respectively, due from Intel for amounts related to NAND Flash product design and process development activities under cost-sharing agreements. As of March 1, 2012 and September 1, 2011, other receivables also included $25 million and $25 million, respectively, due from Nanya for amounts related to DRAM product design and process development activities under a cost-sharing agreement. (See "Consolidated Variable Interest Entities" note and "Equity Method Investments" note.)

- Definition

The entire disclosure for claims held for amounts due a company. Examples include trade accounts receivables, notes receivables, loans receivables.

+ References

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-Paragraph 1
-Subparagraph (SX 210.4-08.(k))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5162-111524

+ Details

Inventories

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Inventories



As of	March 1, 2012		September 1, 2011
Finished goods	$	681	$	596
Work in process	1,245		1,342
Raw materials and supplies	155		142
	$	2,081	$	2,080

Intangible Assets

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Intangible Assets



As of	March 1, 2012					September 1, 2011
	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Product and process technology	$	590	$	(228	)	$	571	$	(203	)
Customer relationships	127		(90		)	127		(82		)
Other	1		—			1		—
	$	718	$	(318	)	$	699	$	(285	)

During the first six months of 2012 and 2011, we capitalized $30 million and $24 million, respectively, for product and process technology with weighted-average useful lives of 9 years.

Amortization expense for intangible assets was $22 million and $44 million for the second quarter and first six months of 2012 and $18 million and $37 million for the second quarter and first six months of 2011, respectively. Annual amortization expense is estimated to be $88 million for 2012, $83 million for 2013, $75 million for 2014, $57 million for 2015 and $49 million for 2016.

Property, Plant and Equipment

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Property, Plant and Equipment



As of	March 1, 2012			September 1, 2011
Land	$	92		$	92
Buildings	4,602			4,481
Equipment	15,285			14,735
Construction in progress	94			155
Software	311			293
	20,384			19,756
Accumulated depreciation	(13,027		)	(12,201		)
	$	7,357		$	7,555

Depreciation expense was $547 million and $1,089 million for the second quarter and first six months of 2012, respectively, and $485 million and $966 million for the second quarter and first six months of 2011, respectively.

Other noncurrent assets included buildings, equipment, and other assets classified as held for sale of $30 million as of March 1, 2012 and $35 million as of September 1, 2011.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

+ References + Details

Equity Method Investments

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Equity Method Investments



As of	March 1, 2012				September 1, 2011
	Investment Balance		Ownership Percentage		Investment Balance		Ownership Percentage
Inotera	$	259	29.7	%	$	388	29.7	%
Transform	75		50.0	%	87		50.0	%
Other	1		Various		8		Various
	$	335			$	483

We recognize our share of earnings or losses from these entities under the equity method on a two-month lag. Equity in net income (loss) of equity method investees, net of tax, included the following:



	Quarter Ended						Six Months Ended
	March 1, 2012			March 3, 2011			March 1, 2012			March 3, 2011
Inotera:
Equity method loss	$	(64	)	$	(45	)	$	(136	)	$	(71	)
Inotera Amortization	12			12			24			24
Other	(4		)	(2		)	(7		)	(2		)
	(56		)	(35		)	(119		)	(49		)
Transform	(15		)	(9		)	(22		)	(16		)
Other	(2		)	(4		)	(6		)	(9		)
	$	(73	)	$	(48	)	$	(147	)	$	(74	)

Our maximum exposure to loss from our involvement with our equity method investments that are VIEs was as follows:



As of	March 1, 2012
Inotera	$	354
Transform	76

The maximum exposure to loss primarily included our investment balance as well as related translation adjustments in accumulated other comprehensive income and receivables, if any. We may also incur losses in connection with our obligations under a supply agreement with Inotera. Through the second quarter of 2012, we had rights and obligations to purchase a portion of Inotera's wafer production capacity under the Inotera Supply Agreement. As a result of our March 2012 equity contribution to Inotera, our obligation to purchase Inotera's capacity may increase when additional output results from Inotera's capital investments enabled by our equity investment.

Inotera

We have partnered with Nanya in Inotera, a Taiwanese DRAM memory company. We acquired our initial ownership interest in Inotera in the first quarter of 2009. As of March 1, 2012, we held a 29.7% ownership interest in Inotera, Nanya held a 30.4% ownership interest and the remaining ownership interest was publicly held.

The carrying value of our initial investment in Inotera was less than our proportionate share of its equity. This difference is being amortized as a credit to earnings through equity in net income (loss) of equity method investees (the "Inotera Amortization"). As of March 1, 2012, $50 million of Inotera Amortization remained to be recognized, of which $25 million is scheduled to be amortized in the remainder of 2012 with the remaining amount to be amortized through 2034.

Because of significant market declines in the selling price of DRAM, Inotera incurred net losses of $737 million for its year ended December 31, 2011. Also, Inotera's current liabilities exceeded its current assets by $2.2 billion as of December 31, 2011, which exposes Inotera to liquidity risk. Inotera's management has developed plans to improve its liquidity. There can be no assurance that Inotera's plans to improve its liquidity will be successful.

On December 20, 2011, we loaned $133 million to Inotera under a 90-day note with a stated annual interest rate of 2% to facilitate the purchase of capital equipment necessary to implement new process technology. The loan was repaid to us with accrued interest in March 2012, subsequent to the end of our second quarter of 2012. Also, in March 2012, subsequent to the end of our second quarter of 2012, we contributed $170 million to Inotera, which increased our ownership percentage from 29.7% to 39.7%.

Through the second quarter of 2012, we had a supply agreement with Inotera, under which Nanya was also a party, for the rights and obligations to purchase 50% of Inotera's wafer production capacity (the "Inotera Supply Agreement"). As a result of our March 2012 equity contribution to Inotera, we expect to receive a higher share of Inotera's 30-nanometer output when it becomes available from Inotera capital investments enabled by our $170 million equity investment. Our cost of wafers purchased under the Inotera Supply Agreement is based on a margin-sharing formula among Nanya, Inotera, and us. Under such formula, all parties' manufacturing costs related to wafers supplied by Inotera, as well as our and Nanya's revenue for the resale of products from wafers supplied by Inotera, are considered in determining costs for wafers acquired from Inotera. Under the Inotera Supply Agreement, we purchased $142 million and $298 million of DRAM products in the second quarter and first six months of 2012, respectively, and $167 million and $304 million of DRAM products in the second quarter and first six months of 2011, respectively. In addition, under the Inotera Supply Agreement, we accrued a liability and recognized a loss on our purchase commitment of $19 million in the second quarter of 2012 and $40 million in the first quarter of 2012.

As of March 1, 2012 and September 1, 2011, there were gains of $46 million and $65 million, respectively, in accumulated other comprehensive income (loss) for cumulative translation adjustments from our equity investment in Inotera.

As of March 1, 2012, based on the closing trading price of Inotera's shares in an active market, the market value of our equity interest in Inotera was $404 million, which exceeded our net carrying value of $213 million. The net carrying value is our investment balance of $259 million less the cumulative translation adjustments in accumulated other comprehensive income (loss) of $46 million.

Under a cost-sharing arrangement, we share equally in DRAM development costs with Nanya. As a result, our research and development ("R&D") costs were reduced by $36 million and $73 million for the second quarter and first six months of 2012, respectively, and $33 million and $63 million for the second quarter and first six months of 2011, respectively. In addition, we received $1 million and $4 million of royalty revenue for the second quarter and first six months of 2012, respectively, and $6 million and $13 million of royalty revenue for the second quarter and first six months of 2011, respectively, from Nanya for sales of stack DRAM products manufactured by or for Nanya on process nodes of 50nm or higher.

Transform

In the second quarter of 2010, we acquired a 50% interest in Transform, a developer, manufacturer and marketer of photovoltaic technology and solar panels, from Origin. As of March 1, 2012, we and Origin each held a 50% ownership interest in Transform. During the second quarter and first six months of 2012, we and Origin each contributed $4 million and $7 million, respectively, of cash to Transform, and for the second quarter and first six months of 2011, we and Origin each contributed $4 million and $11 million, respectively, of cash to Transform. Our results of operations for the second quarter and first six months of 2012 included $4 million and $8 million, respectively, of net sales, which approximated our cost, for transition services provided to Transform. For the second quarter and first six months of 2011, our results of operations included $6 million and $11 million, respectively, of net sales, which approximated our cost, for transition services provided to Transform.

Other

Included in other equity method investments is our 35% equity interest in Aptina. During the second quarter of 2012, the amount of cumulative loss we recognized from our investment in Aptina reduced our investment balance to zero and we ceased recognizing our proportionate share of Aptina's losses. We will resume recognizing our proportionate share of Aptina's earnings only when our proportionate share of their earnings exceeds the amount of cumulative net losses not recognized.

We manufacture components for CMOS image sensors for Aptina under a wafer supply agreement. For the second quarter and first six months of 2012, we recognized net sales of $99 million and $193 million, respectively, from products sold to Aptina. For the second quarter and first six months of 2011, we recognized net sales of $82 million and $141 million, respectively, from products sold to Aptina. Revenue on our sales to Aptina approximated costs.

- Definition

The entire disclosure for equity investment, or group of investments, for which combined disclosure is appropriate, including: (a) the name of each investee and percentage of ownership of common stock, (b) accounting policies for investments in common stock, (c) difference between the amount at which the investment is carried and the amount of underlying equity in net assets and the accounting treatment of the difference, (d) the total fair value of each identified investment for which a market value is available, (e) summarized information as to assets, liabilities, and results of operations of the investees (for investments in unconsolidated subsidiaries, common stock of joint ventures, or other investments using the equity method), and (f) material effects of possible conversions, exercises, or contingent issuances of the investee. Other disclosures include (a) the names of any investee in which the investor owns 20 percent or more of the voting stock and investment is not accounted for using the equity method, and the reasons why not, and (b) the names of any investee in which the investor owns less than 20 percent of the voting stock and the investment is accounted for using the equity method, and the reasons why it is.

+ References + Details

Accounts Payable and Accrued Expenses

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Accounts Payable and Accrued Liabilities Disclosure

Accounts Payable and Accrued Expenses



As of	March 1, 2012		September 1, 2011
Accounts payable	$	806	$	1,187
Salaries, wages and benefits	276		304
Related party payables	118		141
Income and other taxes	37		30
Other	220		168
	$	1,457	$	1,830

As of March 1, 2012 and September 1, 2011, related party payables included $118 million and $139 million, respectively, due to Inotera primarily for the purchase of DRAM products under the Inotera Supply Agreement.

As of March 1, 2012 and September 1, 2011, other accounts payable and accrued expenses included $7 million and $17 million, respectively, due to Intel for NAND Flash product design and process development and licensing fees pursuant to cost-sharing agreements. (See "Consolidated Variable Interest Entities" note.)

Debt

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Debt



As of	March 1, 2012			September 1, 2011
2014 convertible senior notes, due June 2014 at stated rate of 1.875%, effective rate of 7.9%, net of discount of $112 and $134, respectively	$	837		$	815
Capital lease obligations, due in periodic installments through August 2050 at 5.0% and 6.1%, respectively	702			423
2031A convertible senior notes, due August 2031 at stated rate of 1.5%, effective rate of 6.5%, net of discount of $85 and $90, respectively	260			255
2031B convertible senior notes, due August 2031 at stated rate of 1.875%, effective rate of 7.0%, net of discount of $106 and $111, respectively	239			234
2013 convertible senior notes, due October 2013 at stated rate of 4.25%	139			139
2027 convertible senior notes, due June 2027 at stated rate of 1.875%, effective rate of 6.9%, net of discount of $37 and $40, respectively	138			135
	2,315			2,001
Less current portion	(150		)	(140		)
	$	2,165		$	1,861

In the second quarter of 2012, we received $230 million in proceeds from equipment sales-leaseback transactions and as a result recorded capital lease obligations aggregating $230 million at a weighted-average effective interest rate of 3.9%, payable in periodic installments through February 2016. In the first six months of 2012, we received $340 million in proceeds from equipment sales-leaseback transactions and as a result recorded capital lease obligations aggregating $340 million at a weighted-average effective interest rate of 4.0%, payable in periodic installments through February 2016.

Debt Restructure

In the first quarter of 2011, in connection with a series of debt restructure transactions with certain holders of our convertible notes, we recognized a loss of $111 million as follows:


•	$15 million on the exchange of $175 million in aggregate principal amount of our 2014 convertible senior notes (the "2014 Notes") for $175 million in aggregate principal amount of new 2027 convertible senior notes;


•	$17 million (including transaction fees) on the repurchase of $176 million in aggregate principal amount of our 2014 Notes for $171 million in cash; and


•	$79 million (including transaction fees) on the repurchase of $91 million in aggregate principal amount of our 2013 convertible senior notes for $166 million in cash.

Debt Redemption Notice

On April 5, 2012, we provided the holders of our 2013 convertible senior notes written notice of redemption on June 4, 2012. The redemption price will equal the $139 million principal amount of the notes, plus accrued and unpaid interest and a "make-whole premium" equal to the present value of the remaining scheduled interest payments on the notes from the redemption to maturity (October 15, 2013). The conversion rate for these notes is 196.7052 shares of common stock per $1,000 principal amount (approximately $5.08 per share) and up to 27.3 million shares may be issued if some or all of the holders elect to convert their notes to shares.

Contingencies	6 Months Ended
Contingencies	Mar. 01, 2012
Notes to Financial Statements [Abstract]
Contingencies	Contingencies We have accrued a liability and charged operations for the estimated costs of adjudication or settlement of various asserted and unasserted claims existing as of the balance sheet date, including those described below. We are currently a party to other legal actions arising from the normal course of business, none of which is expected to have a material adverse effect on our business, results of operations or financial condition. Patent Matters As is typical in the semiconductor and other high technology industries, from time to time, others have asserted, and may in the future assert, that our products or manufacturing processes infringe their intellectual property rights. We are engaged in litigation with Rambus, Inc. ("Rambus") relating to certain of Rambus' patents and certain of our claims and defenses. Our lawsuits with Rambus are pending in the U.S. District Court for the District of Delaware, U.S. District Court for the Northern District of California, Germany, France, and Italy. On August 28, 2000, we filed a complaint against Rambus in the U.S. District Court for the District of Delaware seeking declaratory and injunctive relief. The complaint alleges, among other things, various anticompetitive activities and also seeks a declaratory judgment that certain Rambus patents are invalid and/or unenforceable. Rambus subsequently filed an answer and counterclaim in Delaware alleging, among other things, infringement of twelve Rambus patents and seeking monetary damages and injunctive relief. We subsequently added claims and defenses based on Rambus' alleged spoliation of evidence and litigation misconduct. The spoliation and litigation misconduct claims and defenses were heard in a bench trial before Judge Robinson in October 2007. On January 9, 2009, Judge Robinson entered an opinion in our favor holding that Rambus had engaged in spoliation and that the twelve Rambus patents in the suit were unenforceable against us. Rambus subsequently appealed the decision to the U.S. Court of Appeals for the Federal Circuit. On May 13, 2011, the Federal Circuit affirmed Judge Robinson's finding of spoliation, but vacated the dismissal sanction and remanded the case to the Delaware District Court for analysis of the remedy based on the Federal Circuit's decision. On January 13, 2006, Rambus filed a lawsuit against us in the U.S. District Court for the Northern District of California alleging that certain of our DDR2, DDR3, RLDRAM and RLDRAM II products infringe as many as fourteen Rambus patents and seeking monetary damages, treble damages, and injunctive relief. The Northern District of California Court stayed the trial of the patent phase of the Northern District of California case upon appeal of the Delaware spoliation issue to the Federal Circuit. On March 6, 2009, Panavision Imaging, LLC filed suit against us and Aptina Imaging Corporation, then a wholly-owned subsidiary, in the U.S. District Court for the Central District of California. The complaint alleged that certain of our and Aptina's image sensor products infringed four Panavision Imaging U.S. patents and sought injunctive relief, damages, attorneys' fees, and costs. On February 7, 2011, the Court ruled that one of the four patents in suit was invalid for indefiniteness. On March 10, 2011, claims relating to the remaining three patents in suit were dismissed with prejudice. Panavision subsequently filed a motion for reconsideration of the Court's decision regarding invalidity of the first patent, and we filed a motion for summary judgment of non-infringement of such patent. On July 8, 2011, the Court issued an order that rescinded its prior indefiniteness decision, and held that the disputed term does not render the claims in suit indefinite. On February 3, 2012, the Court granted our motion for summary judgment of non-infringement. On March 20, 2012, we executed a settlement agreement with Panavision pursuant to which the parties agreed to a settlement and release of all claims and a dismissal with prejudice of the litigation, which did not have a material effect on our business, results of operations or financial condition. On September 1, 2011, HSM Portfolio LLC and Technology Properties Limited LLC filed a patent infringement action in the U.S. District Court for the District of Delaware against us and seventeen other defendants. The complaint alleges that certain of our DRAM and image sensor products infringe two U.S. patents and seeks injunctive relief, damages, attorneys' fees, and costs. On September 9, 2011, Advanced Data Access LLC filed a patent infringement action in the U.S. District Court for the Eastern District of Texas against us and seven other defendants. On November 16, 2011, Advanced Data Access filed an amended complaint. The amended complaint alleges that certain of our DRAM products infringe two U.S. patents and seeks injunctive relief, damages, attorneys' fees, and costs. On September 14, 2011, Smart Memory Solutions LLC filed a patent infringement action in the U.S. District Court for the District of Delaware against us and Winbond Electronics Corporation of America. The complaint alleges that certain of our NOR Flash products infringe a single U.S. patent and seeks injunctive relief, damages, attorneys' fees, and costs. On December 5, 2011, the Board of Trustees for the University of Illinois filed a patent infringement action against us in the U.S. District Court for the Central District of Illinois. The complaint alleges that unspecified semiconductor products of ours infringe three U.S. patents and seeks injunctive relief, damages, attorneys' fees, and costs. On March 26, 2012, Semiconductor Technologies, LLC filed a patent infringement action in the U.S. District Court for the Eastern District of Texas (Marshall) against us. The complaint alleges that certain of our DRAM products infringe five U.S. patents and seeks injunctive relief, damages, attorneys' fees, and costs. Among other things, the above lawsuits pertain to certain of our SDRAM, DDR SDRAM, DDR2 SDRAM, DDR3 SDRAM, RLDRAM, NOR Flash and image sensor products, which account for a significant portion of our net sales. We are unable to predict the outcome of assertions of infringement made against us and therefore cannot estimate the range of possible loss. A court determination that our products or manufacturing processes infringe the intellectual property rights of others could result in significant liability and/or require us to make material changes to our products and/or manufacturing processes. Any of the foregoing could have a material adverse effect on our business, results of operations or financial condition. Antitrust Matters On May 5, 2004, Rambus filed a complaint in the Superior Court of the State of California (San Francisco County) against us and other DRAM suppliers which alleged that the defendants harmed Rambus by engaging in concerted and unlawful efforts affecting Rambus DRAM ("RDRAM") by eliminating competition and stifling innovation in the market for computer memory technology and computer memory chips. Rambus' complaint alleged various causes of action under California state law including, among other things, a conspiracy to restrict output and fix prices, a conspiracy to monopolize, intentional interference with prospective economic advantage, and unfair competition. Rambus sought a judgment for damages of approximately $3.9 billion, joint and several liability, trebling of damages awarded, punitive damages, a permanent injunction enjoining the defendants from the conduct alleged in the complaint, interest, and attorneys' fees and costs. Trial began on June 20, 2011, and the case went to the jury on September 21, 2011. On November 16, 2011, the jury found for us on all claims. On April 2, 2012, Rambus filed a notice of appeal with the Superior Court. At least sixty-eight purported class action price-fixing lawsuits have been filed against us and other DRAM suppliers in various federal and state courts in the United States and in Puerto Rico on behalf of indirect purchasers alleging a conspiracy to increase DRAM prices in violation of federal and state antitrust laws and state unfair competition law, and/or unjust enrichment relating to the sale and pricing of DRAM products during the period from April 1999 through at least June 2002. The complaints seek joint and several damages, trebled, in addition to restitution, costs and attorneys' fees. A number of these cases have been removed to federal court and transferred to the U.S. District Court for the Northern District of California for consolidated pre-trial proceedings. In July, 2006, the Attorneys General for approximately forty U.S. states and territories filed suit in the U.S. District Court for the Northern District of California. The complaints allege, among other things, violations of the Sherman Act, Cartwright Act, and certain other states' consumer protection and antitrust laws and seek joint and several damages, trebled, as well as injunctive and other relief. On October 3, 2008, the California Attorney General filed a similar lawsuit in California Superior Court, purportedly on behalf of local California government entities, alleging, among other things, violations of the Cartwright Act and state unfair competition law. On June 23, 2010, we executed a settlement agreement resolving these purported class-action indirect purchaser cases and the pending cases of the Attorneys General relating to alleged DRAM price-fixing in the United States. Subject to certain conditions, including final court approval of the class settlements, we agreed to pay approximately $67 million in aggregate in three equal installments over a two-year period. As of March 1, 2012, we have paid $45 million into an escrow account in accordance with the settlement agreement. Three putative class action lawsuits alleging price-fixing of DRAM products also have been filed against us in Quebec, Ontario, and British Columbia, Canada, on behalf of direct and indirect purchasers, asserting violations of the Canadian Competition Act and other common law claims. The claims were initiated between December 2004 (British Columbia) and June 2006 (Quebec). The plaintiffs seek monetary damages, restitution, costs, and attorneys' fees. The substantive allegations in these cases are similar to those asserted in the DRAM antitrust cases filed in the United States. Plaintiffs' motion for class certification was denied in the British Columbia and Quebec cases in May and June 2008, respectively. Plaintiffs subsequently filed an appeal of each of those decisions. On November 12, 2009, the British Columbia Court of Appeal reversed, and on November 16, 2011, the Quebec Court of Appeal also reversed the denial of class certification and remanded the cases for further proceedings. On June 21, 2010, the Brazil Secretariat of Economic Law of the Ministry of Justice ("SDE") announced that it had initiated an investigation relating to alleged anticompetitive activities within the DRAM industry. The SDE's Notice of Investigation names various DRAM manufacturers and certain executives, including us, and focuses on the period from July 1998 to June 2002. On September 24, 2010, Oracle America Inc. ("Oracle"), successor to Sun Microsystems, a DRAM purchaser that opted-out of a direct purchaser class action suit that was settled, filed suit against us in U.S. District Court for the Northern District of California. The complaint alleged a conspiracy to increase DRAM prices and other violations of federal and state antitrust and unfair competition laws based on purported conduct for the period from August 1, 1998 through at least June 15, 2002. Oracle sought joint and several damages, trebled, as well as restitution, disgorgement, attorneys' fees, costs and injunctive relief. On March 23, 2012, we entered into a settlement agreement with Oracle pursuant to which we agreed to make a payment of $58 million to Oracle for a settlement and full release of all claims and a dismissal with prejudice of the litigation. We are unable to predict the outcome of these matters and therefore cannot estimate the range of possible loss, except as noted in the U.S. indirect purchasers cases and Oracle above. The final resolution of these alleged violations of antitrust laws could result in significant liability and could have a material adverse effect on our business, results of operations or financial condition. Commercial Matters On January 20, 2011, Dr. Michael Jaffé, administrator for Qimonda AG ("Qimonda") insolvency proceedings, filed suit against us and Micron Semiconductor B.V., our Netherlands subsidiary, in the District Court of Munich, Civil Chamber. The complaint seeks to void under Section 133 of the German Insolvency Act a share purchase agreement between us and Qimonda in fall 2008 pursuant to which we purchased all of Qimonda's shares of Inotera Memories, Inc. and seeks an order requiring us to retransfer the Inotera shares to the Qimonda estate. The complaint also seeks to terminate under Sections 103 or 133 of the German Insolvency Code a patent cross license between us and Qimonda entered into at the same time as the share purchase agreement. A hearing scheduled to begin on November 9, 2011 was continued and has not yet been rescheduled. We are unable to predict the outcome of this lawsuit and therefore cannot estimate the range of possible loss. The final resolution of this lawsuit could result in the loss of the Inotera shares or equivalent monetary damages and the termination of the patent cross license, which could have a material adverse effect on our business, results of operation or financial condition. In the normal course of business, we are a party to a variety of agreements pursuant to which we may be obligated to indemnify the other party. It is not possible to predict the maximum potential amount of future payments under these types of agreements due to the conditional nature of our obligations and the unique facts and circumstances involved in each particular agreement. Historically, our payments under these types of agreements have not had a material adverse effect on our business, results of operations or financial condition.

- Definition

The entire disclosure for loss and gain contingencies. Describes any existing condition, situation, or set of circumstances involving uncertainty as of the balance sheet date (or prior to issuance of the financial statements) as to a probable or reasonably possible loss incurred by an entity that will ultimately be resolved when one or more future events occur or fail to occur, and typically discloses the amount of loss recorded or a range of possible loss, or an assertion that no reasonable estimate can be made.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14615-108349

+ Details

Shareholders' Equity

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Micron's Shareholders' Equity and Noncontrolling Interests in Subsidiaries

Micron Shareholders' Equity and Noncontrolling Interests in Subsidiaries

Changes in the components of equity were as follows:



	Six Months Ended March 1, 2012									Six Months Ended March 3, 2011
	Attributable to Micron			Noncontrolling Interests			Total Equity			Attributable to Micron		Noncontrolling Interests			Total Equity
Beginning balance	$	8,470		$	1,382		$	9,852		$	8,020	$	1,796		$	9,816

Net income (loss)	(469		)	—			(469		)	227		20			247
Other comprehensive income (loss)	(64		)	—			(64		)	90		5			95
Comprehensive income (loss)	(533		)	—			(533		)	317		25			342

Acquisition of noncontrolling interests in TECH	—			—			—			67		(226		)	(159		)
Net contribution from (distributions to) noncontrolling interests	—			(9		)	(9		)	—		(95		)	(95		)
Issuance and repurchase of convertible debts	—			—			—			13		—			13
Capital and other transactions attributable to Micron	49			—			49			45		—			45
Ending balance	$	7,986		$	1,373		$	9,359		$	8,462	$	1,500		$	9,962

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Number 210
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-Section 08
-Paragraph d

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Number 43
-Chapter 1
-Section B
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Derivative Financial Instruments

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Derivative Financial Instruments

We are exposed to currency exchange rate risk for monetary assets and liabilities held or denominated in foreign currencies, primarily the euro, shekel, Singapore dollar and yen. We are also exposed to currency exchange rate risk for capital expenditures, primarily denominated in the euro and yen. We use derivative instruments to manage our exposures to changes in currency exchange rates. For exposures associated with our monetary assets and liabilities, our primary objective in entering into currency derivatives is to reduce the volatility that changes in currency exchange rates have on our earnings. For exposures associated with capital expenditures, our primary objective in entering into currency derivatives is to reduce the volatility that changes in currency exchange rates have on future cash flows.

Our derivatives consist primarily of currency forward contracts. The derivatives expose us to credit risk to the extent the counterparties may be unable to meet the terms of the derivative instrument. Our maximum exposure to loss due to credit risk that we would incur if parties to forward contracts failed completely to perform according to the terms of the contracts was equal to our carrying value of the forward contracts as of March 1, 2012, as listed in the tables below under asset fair values. We seek to mitigate such risk by limiting our counterparties to major financial institutions and by spreading risk across multiple major financial institutions. In addition, we monitor the potential risk of loss with any one counterparty resulting from this type of credit risk on an ongoing basis. We have the following currency risk management programs:

Currency Derivatives without Hedge Accounting Designation

We utilize a rolling hedge strategy with currency forward contracts that generally mature within 35 days to hedge our exposure to changes in currency exchange rates. At the end of each reporting period, monetary assets and liabilities held or denominated in currencies other than the U.S. dollar are remeasured in U.S. dollars and the associated outstanding forward contracts are marked-to-market. Currency forward contracts are valued at fair values based on bid prices of dealers or exchange quotations (referred to as Level 2). Realized and unrealized gains and losses on derivative instruments and the underlying monetary assets and liabilities are included in other operating income (expense). Total gross notional amounts and fair values for currency derivatives without hedge accounting designation were as follows:



	Notional Amount⁽¹⁾(in U.S. Dollars)		Fair Value of
Currency	Notional Amount⁽¹⁾(in U.S. Dollars)		Asset⁽²⁾		(Liability)⁽³⁾
As of March 1, 2012:
Singapore dollar	$	176	$	—	$	—
Euro	170		2		(2		)
Shekel	63		—		(1		)
Yen	21		—		(1		)
Other	41		—		—
	$	471	$	2	$	(4	)

As of September 1, 2011:
Singapore dollar	$	210	$	—	$	—
Euro	301		3		—
Shekel	98		—		(2		)
Yen	165		3		—
Other	50		—		—
	$	824	$	6	$	(2	)


⁽¹⁾	Represents the face value of outstanding contracts.


⁽²⁾	Included in other receivables.


⁽³⁾	Included in other accounts payable and accrued expenses.

For currency forward contracts without hedge accounting designation, we recognized gains of $3 million and losses of $17 million for the second quarter and first six months of 2012, respectively, and gains of $7 million and $5 million for the second quarter and first six months of 2011, respectively, which were included in other operating income (expense).

Currency Derivatives with Cash Flow Hedge Accounting Designation

We utilize currency forward contracts that generally mature within 12 months to hedge the exposure of changes in cash flows from changes in currency exchange rates for certain forecasted capital expenditures. Currency forward contracts are valued at their fair values based on market-based observable inputs including currency exchange spot and forward rates, interest rate and credit risk spread (referred to as Level 2). For those derivatives designated as cash flow hedges, the effective portion of the realized and unrealized gain or loss on the derivatives was included as a component of accumulated other comprehensive income (loss) in shareholders' equity. The amounts in accumulated other comprehensive income (loss) for those cash flow hedges are reclassified into earnings in the same line items of the consolidated statements of operations and in the same periods in which the underlying transactions affect earnings. The ineffective or excluded portion of the realized and unrealized gain or loss is included in other operating income (expense). Total gross notional amounts and fair values for currency derivatives with cash flow hedge accounting designation were as follows:



	Notional Amount⁽¹⁾ (in U.S. Dollars)		Fair Value of
Currency	Notional Amount⁽¹⁾ (in U.S. Dollars)		Asset⁽²⁾		(Liability)⁽³⁾
As of March 1, 2012:
Yen	$	12	$	—	$	(1	)
Euro	10		—		—
	$	22	$	—	$	(1	)
As of September 1, 2011:
Yen	$	19	$	1	$	—
Euro	232		8		—
	$	251	$	9	$	—


⁽¹⁾	Represents the face value of outstanding contracts


⁽²⁾	Included in other receivables


⁽³⁾	Included in other accounts payable and accrued expenses

For the second quarter and first six months of 2012, we recognized $2 million and $11 million, respectively, of net derivative losses in other comprehensive income from the effective portion of cash flow hedges. For the second quarter and first six months of 2011, we recognized $22 million and $28 million, respectively, of net derivative gains in other comprehensive income from the effective portion of cash flow hedges. The ineffective and excluded portions of cash flow hedges recognized in other operating income (expense) were not significant in the second quarters and first six months of 2012 and 2011. Amounts in accumulated other comprehensive income are amortized to manufacturing cost over the useful life of the underlying hedged equipment and reclassified to earnings when inventory is sold. In the second quarter and first six months of 2012, $2 million and $4 million, respectively, of net gains was reclassified from other comprehensive income (loss) to earnings and the amount of net derivative gains included in other accumulated comprehensive income (loss) expected to be reclassified into earnings in the next 12 months was $6 million as of March 1, 2012.

- Definition

The entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Fair Value Measurements

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Fair Value Measurements

Accounting standards establish three levels of inputs that may be used to measure fair value: quoted prices in active markets for identical assets or liabilities (referred to as Level 1), observable inputs other than Level 1 that are observable for the asset or liability either directly or indirectly (referred to as Level 2) and unobservable inputs to the valuation methodology that are significant to the measurement of fair value of assets or liabilities (referred to as Level 3).

Fair Value Measurements on a Recurring Basis

Assets measured at fair value on a recurring basis were as follows:



	March 1, 2012								September 1, 2011
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Money market⁽¹⁾	$	1,520	$	—	$	—	$	1,520	$	1,462	$	—	$	—	$	1,462
Certificates of deposit⁽¹⁾	—		2		—		2		—		155		—		155
Marketable equity investments⁽²⁾	4		10		—		14		37		15		—		52
Assets held for sale⁽²⁾	—		—		30		30		—		—		35		35
	$	1,524	$	12	$	30	$	1,566	$	1,499	$	170	$	35	$	1,704


⁽¹⁾	Included in cashand equivalents.


⁽²⁾	Included in other noncurrent assets.

Certificates of deposit: Certificates of deposit assets were valued using observable inputs in active markets for similar assets (Level 2).

Marketable equity investments: All marketable equity investments were classified as available-for-sale. For the second quarter of 2012, we realized gains of $34 million from the sale of marketable equity investments. Gross realized gains and gross realized losses on sales of our marketable equity investments were not significant for the second quarter or first six months of 2011. Marketable equity investments included approximately 20 million ordinary shares of Tower Semiconductor Ltd. received in connection with our sale of our wafer fabrication facility in Japan in June 2011. As of September 1, 2011, the shares were valued using quoted market prices in an active market and discounted using a protective put model for our resale restriction (Level 2). During the second quarter of 2012, the resale restrictions lapsed for 5 million of the shares, which were valued using quoted market prices (Level 1) as of March 1, 2012.

Assets held for sale: Assets held for sale primarily included semiconductor equipment and facilities. Fair value for semiconductor equipment was based on quotations obtained from equipment dealers, which consider the remaining useful life and configuration of the equipment. Fair value for facilities was determined based on sales of similar facilities and properties in comparable markets (Level 3). Losses recognized in the second quarters and first six months of 2012 and 2011 due to fair value measurements using Level 3 inputs, were not significant. For the second quarter and first six months of 2012, activity of assets held for sale was not significant.

Fair Value of Financial Instruments

Amounts reported as cash and equivalents, receivables, and accounts payable and accrued expenses approximate fair value. The estimated fair value and carrying value of debt instruments (carrying value excludes the equity component of the 2014 Notes, the 2027 Notes and the 2031 Notes which is classified in equity) were as follows:



	March 1, 2012				September 1, 2011
	Fair Value		Carrying Value		Fair Value		Carrying Value
Convertible debt instruments (Level 1)	$	951	$	837	$	1,216	$	1,049
Convertible debt instruments (Level 2)	1,184		776		629		529
Other debt instruments	713		702		436		423

The fair value of our Level 1 convertible debt instruments was based on quoted market prices in active markets. The fair value of our Level 2 convertible debt instruments was determined based on inputs that are observable in the market or that could be derived from, or corroborated with, observable market data, including our stock price and interest rates based on similar debt issued by parties with credit ratings similar to ours. The fair value of our other debt instruments was estimated based on discounted cash flows using inputs that are observable in the market or that could be derived from, or corroborated with, observable market data, including interest rates based on similar debt issued by parties with credit ratings similar to ours (Level 2).

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15C, 15D
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Number 159
-Paragraph 17-22, 27, 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 820
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-Paragraph 2
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+ Details

Equity Plans

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Equity Plans

As of March 1, 2012, we had an aggregate of 186.5 million shares of common stock reserved for the issuance of stock options and restricted stock awards, of which 108.4 million shares were subject to outstanding awards and 78.1 million shares were available for future awards. Awards are subject to terms and conditions as determined by our Board of Directors.

Stock Options

We granted 14.5 million and 20.4 million stock options during the second quarter and first six months of 2012, respectively, with weighted-average grant-date fair values per share of $3.25 and $3.16, respectively. We granted 10.8 million and 14.9 million stock options during the second quarter and first six months of 2011, respectively, with weighted-average grant-date fair values per share of $4.71 and $4.46, respectively.

The fair values of option awards were estimated as of the dates of grant using the Black-Scholes option valuation model. The Black-Scholes model requires the input of assumptions, including the expected stock price volatility and estimated option life. The expected volatilities utilized were based on implied volatilities from traded options on our stock and on historical volatility. Since 2009, the expected lives of options granted were based, in part, on historical experience and on the terms and conditions of the options. Prior to 2009, the expected lives of options granted were based on the simplified method provided by the Securities and Exchange Commission. The risk-free interest rates utilized were based on the U.S. Treasury yield in effect at the time of the grant. No dividends were assumed in estimated option values. Assumptions used in the Black-Scholes model are presented below:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
Average expected life in years	5.1		5.0		5.1		5.1
Weighted-average expected volatility	66	%	55	%	66	%	56	%
Weighted-average risk-free interest rate	0.9	%	2.1	%	1.0	%	1.8	%

Restricted Stock and Restricted Stock Units ("Restricted Stock Awards")

As of March 1, 2012, there were 10.4 million shares of Restricted Stock Awards outstanding, of which 2.4 million were performance-based Restricted Stock Awards. For service-based Restricted Stock Awards, restrictions generally lapse either in one-fourth or one-third increments during each year of employment after the grant date. For performance-based Restricted Stock Awards, vesting is contingent upon meeting certain performance goals. Restricted Stock Awards granted for the second quarters and first six months of 2012 and 2011 were as follows:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
Service-based awards	2.0		3.1		3.8		4.3
Performance-based awards	—		—		1.9		1.2
Weighted-average grant-date fair values per share	$	5.84	$	9.62	$	5.40	$	8.74

Stock-based Compensation Expense

Total compensation costs for our equity plans were as follows:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
Stock-based compensation expense by caption:
Cost of goods sold	$	7	$	6	$	12	$	10
Selling, general and administrative	18		9		29		20
Research and development	5		4		9		8
	$	30	$	19	$	50	$	38

Stock-based compensation expense by type of award:
Stock options	$	19	$	11	$	31	$	21
Restricted stock awards	11		8		19		17
	$	30	$	19	$	50	$	38

Selling, general and administrative expense for the second quarter of 2012 included $9 million from the acceleration and extension of vesting of our former Chief Executive Officer's restricted stock and stock options upon his death, pursuant to the terms of our stock plans and his severance agreement.

As of March 1, 2012, $173 million of total unrecognized compensation costs, net of estimated forfeitures, related to non-vested awards was expected to be recognized through the second quarter of 2016, resulting in a weighted-average period of 1.4 years. Stock-based compensation expense in the above presentation does not reflect any significant income tax benefits, which is consistent with our treatment of income or loss from our U.S. operations. (See "Income Taxes" note.)

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

Other Operating (Income) Expense, Net

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Other Operating (Income) Expense, Net

Other operating (income) expense consisted of the following:



	Quarter Ended					Six Months Ended
	March 1, 2012		March 3, 2011			March 1, 2012		March 3, 2011
(Gain) loss on disposition of property, plant and equipment	$	5	$	(16	)	$	6	$	(16	)
(Gain) loss from changes in currency exchange rates	2		—			13		7
Samsung patent cross-license agreement	—		(40		)	—		(240		)
Other	12		(20		)	6		(18		)
	$	19	$	(76	)	$	25	$	(267	)

In the first quarter of 2011, we entered into a 10-year patent cross-license agreement with Samsung Electronics Co. Ltd. ("Samsung") under which we received a total of $275 million of cash. For the second quarter and first six months of 2011, other operating income included gains of $40 million and $240 million, respectively, for cash received from Samsung under the agreement. We received an additional $35 million from this agreement in the third quarter of 2011. The license is a life-of-patents license for existing patents and applications, and a 10-year term license for all other patents.

Other Non-Operating Income (Expense), Net	6 Months Ended
Other Non-Operating Income (Expense), Net	Mar. 01, 2012
Other Non-Operating Income (Expense), Net [Abstract]
Other Non-Operating Income Expense, Net [Text Block]	Other Non-Operating Income (Expense), Net Other non-operating income for the second quarter of 2012 included $39 million in net gains recognized from the disposition of noncurrent equity investments. Other non-operating expense for the first six months of 2011 included a $111 million loss recognized in the first quarter of 2011 in connection with a series of debt restructure transactions with certain holders of our convertible notes. (See "Debt" note.)

Income Taxes	6 Months Ended
Income Taxes	Mar. 01, 2012
Notes to Financial Statements [Abstract]
Income Taxes	Income Taxes Income taxes for the first six months of 2012 included a tax benefit of $14 million recognized in the first quarter of 2012 related to the favorable resolution of certain prior year tax matters, which was previously reserved as an uncertain tax position. Income taxes for the second quarter of 2011 included a charge to reduce net deferred tax assets by $19 million in connection with a change in certain tax rates. Income taxes for the second and first quarters of 2011 included charges of $7 million and $33 million, respectively, in connection with the receipt of $40 million and $200 million, respectively, from Samsung for a cross-license agreement. Remaining taxes in the second and first quarters of 2012 and 2011 primarily reflect taxes on our non-U.S. operations. We have a valuation allowance for our net deferred tax asset associated with our U.S. operations. The provision (benefit) for taxes on U.S. operations in the second and first quarters of 2012 and 2011 was substantially offset by changes in the valuation allowance.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
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+ Details

Earnings Per Share

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Earnings Per Share

Basic earnings per share is computed based on the weighted-average number of common shares and stock rights outstanding. Diluted earnings per share is computed based on the weighted-average number of common shares and stock rights outstanding plus the dilutive effects of equity awards, convertible notes and escrow shares. Potential common shares that would increase earnings per share amounts or decrease loss per share amounts are antidilutive and are therefore excluded from diluted earnings per share calculations. Antidilutive potential common shares that could dilute basic earnings per share in the future were 290.9 million for the second quarter and first six months of 2012, and 166.0 million and 167.5 million for the second quarter and first six months of 2011, respectively.



	Quarter Ended					Six Months Ended
	March 1, 2012			March 3, 2011		March 1, 2012			March 3, 2011
Net income (loss) available to Micron shareholders – Basic	$	(282	)	$	72	$	(469	)	$	227
Net effect of assumed conversion of debt	—			2		—			4
Net income (loss) available to Micron shareholders – Diluted	$	(282	)	$	74	$	(469	)	$	231

Weighted-average common shares outstanding – Basic	982.8			988.1		982.1			980.5
Net effect of dilutive equity awards, escrow shares and assumed conversion of debt	—			49.2		—			54.0
Weighted-average common shares outstanding – Diluted	982.8			1,037.3		982.1			1,034.5

Earnings (loss) per share:
Basic	$	(0.29	)	$	0.07	$	(0.48	)	$	0.23
Diluted	(0.29		)	0.07		(0.48		)	0.22

Comprehensive Income (Loss)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Comprehensive Income (Loss)

The components of comprehensive income (loss) were as follows:



	Quarter Ended						Six Months Ended
	March 1, 2012			March 3, 2011			March 1, 2012			March 3, 2011
Net income (loss)	$	(282	)	$	75		$	(469	)	$	247
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on investments	(32		)	4			(30		)	7
Net gain (loss) on derivatives	(4		)	22			(15		)	28
Net gain (loss) on foreign currency translation adjustment	2			41			(19		)	59
Pension liability adjustment	—			—			—			1
Total other comprehensive income (loss)	(34		)	67			(64		)	95
Comprehensive income (loss)	(316		)	142			(533		)	342
Comprehensive loss (income) attributable to noncontrolling interests	1			(4		)	—			(25		)
Comprehensive income (loss) attributable to Micron	$	(315	)	$	138		$	(533	)	$	317

The components of accumulated other comprehensive income (loss), net of tax, at the end of each period were as follows:



As of	March 1, 2012			September 1, 2011
Accumulated translation adjustment, net	$	46		$	65
Gain (loss) on derivatives, net	28			43
Gain (loss) on investments, net	(5		)	25
Unrecognized pension liability	(1		)	(1		)
Accumulated other comprehensive income	$	68		$	132

- Definition

The entire disclosure for comprehensive income. Includes, but is not limited to, the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 14-26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

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+ Details

Consolidated Variable Interest Entities

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Consolidated Variable Interest Entities

IM Flash

Through the second quarter of 2012, we had two joint ventures with Intel: IMFT, formed in 2006 and IMFS, formed in 2007, to manufacture NAND Flash memory products for the exclusive benefit of the partners. On February 27, 2012, we entered into agreements with Intel relating to our IMFS and IMFT joint ventures. The transactions contemplated by such agreements became effective on April 6, 2012. For further information regarding the effect of these agreements, see "IM Flash Agreements" note.

Through the second quarter of 2012, IMFT and IMFS were each governed by a Board of Managers, the number of which adjusted depending on the parties' respective ownership interests. We and Intel initially appointed an equal number of managers to each of the boards. IMFT and IMFS are aggregated as IM Flash in the following disclosure due to the similarity of their function, operations and the way our management reviews the results of their operations. The partners' ownership percentages are based on contributions to the partnership. As of March 1, 2012, we owned 51% and Intel owned 49% of IMFT and we owned 82% and Intel owned 18% of IMFS. On April 6, 2012, we acquired Intel's 18% ownership interest in IMFS. The IMFT joint venture arrangement extends through 2024 (as a result of the April 6, 2012 agreements) but is subject to prior termination under certain terms and conditions.

The following table presents IM Flash's distributions to and contributions from its shareholders:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
IM Flash distributions to Micron	$	67	$	53	$	153	$	104
IM Flash distributions to Intel	64		50		147		99
Micron contributions to IM Flash	—		343		103		735
Intel contributions to IM Flash	—		—		131		—

IM Flash sold products to the joint venture partners generally in proportion to their ownership interests at long-term negotiated prices approximating cost. IM Flash sales to Intel were $255 million and $516 million for the second quarter and first six months of 2012, respectively, and were $202 million and $411 million for the second quarter and first six months 2011, respectively. As of March 1, 2012 and September 1, 2011, IM Flash had receivables of $145 million and $165 million, respectively, from Intel.

Through the second quarter of 2012, our share of the operating costs and supply of NAND Flash from IMFS was adjusted for changes in our ownership share in IMFS. Accordingly, our share of IMFS output grew from 51% in the first quarter of 2011 to 78% in the second quarter of 2012. As a result of the April 6, 2012 agreements with Intel, we acquired Intel's 18% interest in IMFS and the assets of IMFT located at our Virginia wafer fabrication facility. Accordingly, Intel has no continuing rights to the output from the IMFS and Virginia facilities and, subsequent to April 6, 2012, purchases NAND Flash products from us under a cost-plus supply arrangement. In addition, Intel continues to receive output from the remaining IMFT fabrication facility in proportion to its ownership interest at long-term negotiated prices approximating cost.

Total IM Flash assets and liabilities included in our consolidated balance sheets were as follows:



As of	March 1, 2012		September 1, 2011
Assets
Cash and equivalents	$	171	$	327
Receivables	217		252
Inventories	240		227
Other current assets	14		11
Total current assets	642		817
Property, plant and equipment, net	3,991		4,121
Other noncurrent assets	66		66
Total assets	$	4,699	$	5,004

Liabilities
Accounts payable and accrued expenses	$	194	$	458
Deferred income	122		125
Equipment purchase contracts	93		37
Current portion of long-term debt	10		8
Total current liabilities	419		628
Long-term debt	78		58
Other noncurrent liabilities	4		4
Total liabilities	$	501	$	690

Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.

The table above included, as of March 1, 2012, assets of $2,880 million and liabilities of $193 million, and as of September 1, 2011, assets of $2,999 million and liabilities of $433 million, related to our IM Flash entities that, subsequent to the April 6, 2012 agreements with Intel, were wholly-owned by us. See "IM Flash Agreements" note.

Our ability to access IMFT's cash and marketable investment securities subsequent to April 6, 2012 to finance our other operations is subject to agreement by our joint venture partner. Prior to April 6, 2012, the creditors of each IM Flash entity had recourse only to the assets of the respective IM Flash entities and did not have recourse to any other of our assets. Subsequent to April 6, 2012, the creditors of IMFT have recourse only to its assets and do not have recourse to any other of our assets.

IM Flash manufactures NAND Flash memory products using designs and technology we develop with Intel. We generally share product design and other NAND Flash R&D costs equally with Intel. As a result, R&D expenses were reduced by reimbursements from Intel of $20 million and $42 million for the second quarter and first six months of 2012, respectively, and $23 million and $46 million for the second quarter and first six months of 2011, respectively. The April 6, 2012 agreements with Intel expanded our NAND Flash R&D cost-sharing agreement with Intel to include certain emerging memory technologies, but did not change the cost-sharing percentage.

MP Mask

In 2006, we formed a joint venture with Photronics to produce photomasks for leading-edge and advanced next generation semiconductors. At inception and through March 1, 2012, we owned 50.01% and Photronics owned 49.99% of MP Mask. In the first quarter of 2012, we contributed $8 million and Photronics contributed $7 million to MP Mask. In connection with the formation of the joint venture, we received $72 million in 2006 in exchange for entering into a license agreement with Photronics, which is being recognized over the term of the 10-year agreement. Deferred income and other noncurrent liabilities included an aggregate of $30 million and $34 million as of March 1, 2012 and September 1, 2011, respectively, related to this agreement. We purchase a substantial majority of the reticles produced by MP Mask pursuant to a supply arrangement.

Total MP Mask assets and liabilities included in our consolidated balance sheets were as follows:



As of	March 1, 2012		September 1, 2011
Current assets	$	20	$	24
Noncurrent assets (primarily property, plant and equipment)	184		143
Current liabilities	51		31

Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.

The creditors of MP Mask have recourse only to the assets of MP Mask and do not have recourse to any other of our assets.

Through February 24, 2012, we leased to Photronics a facility to produce photomasks under an operating lease. On February 24, 2012, we sold the facility to Photronics for $35 million. The proceeds were equal to our net carrying value and no gain or loss was realized from the sale.

IM Flash Agreements

6 Months Ended

Mar. 01, 2012

IM Flash Agreements [Abstract]

IM Flash Agreements

On February 27, 2012, we entered into agreements with Intel relating to our IMFS and IMFT joint ventures. The transactions contemplated by such agreements became effective on April 6, 2012. In connection therewith, we acquired Intel's 18% interest in IMFS and the assets of IMFT located at our Virginia wafer fabrication facility. As a result, Intel received distributions of approximately $600 million, the approximate book value of its interests. Additionally, Intel deposited $300 million with us to be applied to Intel's future purchases of NAND Flash under a NAND Flash supply agreement or, under certain circumstances, to be refunded.

The agreements also provided for the following:


•	expansion of the scope of the IMFT joint venture to include certain emerging memory technologies;


•	new agreements under which we will supply NAND Flash memory products and certain emerging memory products to Intel on a cost-plus basis, and a termination of IMFS's supply agreement with us and Intel;


•	extension of IMFT's joint venture agreement through 2024; and


•	certain buy-sell rights, commencing in 2015, pursuant to which Intel may elect to sell to us, or we may elect to purchase from Intel, Intel’s interest in IMFT (if Intel so elects, we would set the closing date of the transaction within two years following such election and could elect to receive financing from Intel for one to two years).

In connection with purchasing the IMFT assets located in Virginia, we terminated IMFT's lease to use approximately 50% of our Virginia fabrication facility. As a result, we expect to recognize a charge of $17 million in the third quarter of 2012.

We also entered into a senior unsecured promissory note with Intel. Under the terms of the note, we borrowed $65 million, payable with interest in eight approximately equal quarterly installments with interest at a rate of Libor minus 50 basis points (but will not be less than zero).

We and Intel will continue to share output of IMFT and certain research and development costs generally in proportion to our investments in IMFT.

Segment Information

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Segment Information

Segment information reported herein is consistent with how it is reviewed and evaluated by our chief operating decision makers. Factors used to identify our segments include, among others, products, technologies and customers. We have the following four reportable segments:

NAND Solutions Group ("NSG"): Includes high-volume NAND Flash products sold into data storage, personal music players, and the high-density computing markets, as well as NAND Flash products sold to Intel through our consolidated IM Flash joint ventures.

DRAM Solutions Group ("DSG"): Includes DRAM products sold to the PC, consumer electronics, networking and server markets.

Wireless Solutions Group ("WSG"): Includes DRAM, NAND Flash and NOR Flash products, including multi-chip packages, sold to the mobile device market.

Embedded Solutions Group ("ESG"): Includes DRAM, NAND Flash and NOR Flash products sold into automotive and industrial applications, as well as NOR and NAND flash sold to consumer electronics, networking, PC and server markets.

Our other operations do not meet the quantitative thresholds of a reportable segment and are reported under All Other. All Other includes our CMOS image sensor, LED, microdisplay and solar operations.

We do not identify or report internally our assets or capital expenditures by segment, nor do we allocate gains and losses from equity method investments, interest, other non-operating income or expense items or taxes to operating segments. There are no differences in the accounting policies for segment reporting and our consolidated results of operations.



	Quarter Ended						Six Months Ended
	March 1, 2012			March 3, 2011			March 1, 2012			March 3, 2011
Net sales:
NSG	$	734		$	552		$	1,417		$	1,054
DSG	608			841			1,264			1,744
WSG	307			510			680			1,021
ESG	242			252			504			518
All Other	118			102			234			172
	$	2,009		$	2,257		$	4,099		$	4,509

Operating income (loss):
NSG	$	97		$	72		$	191		$	129
DSG	(167		)	51			(306		)	276
WSG	(129		)	10			(187		)	66
ESG	15			58			53			136
All Other	(21		)	(12		)	(38		)	(38		)
	$	(205	)	$	179		$	(287	)	$	569

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Variable Interest Entities (Policies)	6 Months Ended
Variable Interest Entities (Policies)	Mar. 01, 2012
Notes to Financial Statements [Abstract]
Variable Interest Entities	We have interests in joint venture entities that are Variable Interest Entities ("VIEs"). If we are the primary beneficiary of a VIE, we are required to consolidate it. To determine if we are the primary beneficiary, we evaluate whether we have the power to direct the activities that most significantly impact the VIE's economic performance and the obligation to absorb losses or the right to receive benefits of the VIE that could potentially be significant to the VIE. Our evaluation includes identification of significant activities and an assessment of our ability to direct those activities based on governance provisions and arrangements to provide or receive product and process technology, product supply, operations services, equity funding, financing and other applicable agreements and circumstances. Our assessments of whether we are the primary beneficiary of our VIEs require significant assumptions and judgment.

- Definition

Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 46R
-Paragraph 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Paragraph 22B
-Subparagraph a

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-Paragraph 22E
-Subparagraph a

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+ Details

Receivables (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule of Receivables



As of	March 1, 2012		September 1, 2011
Trade receivables (net of allowance for doubtful accounts of $2 and $3, respectively)	$	913	$	1,105
Income and other taxes	98		137
Related party receivables	83		72
Other	147		183
	$	1,241	$	1,497

Inventories (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule Of Inventory



As of	March 1, 2012		September 1, 2011
Finished goods	$	681	$	596
Work in process	1,245		1,342
Raw materials and supplies	155		142
	$	2,081	$	2,080

Intangible Assets (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule Of Finite Lived Intangible Assets By Major Class



As of	March 1, 2012					September 1, 2011
	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Product and process technology	$	590	$	(228	)	$	571	$	(203	)
Customer relationships	127		(90		)	127		(82		)
Other	1		—			1		—
	$	718	$	(318	)	$	699	$	(285	)

Property, Plant and Equipment (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule of Property, Plant and Equipment



As of	March 1, 2012			September 1, 2011
Land	$	92		$	92
Buildings	4,602			4,481
Equipment	15,285			14,735
Construction in progress	94			155
Software	311			293
	20,384			19,756
Accumulated depreciation	(13,027		)	(12,201		)
	$	7,357		$	7,555

Equity Method Investments (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Equity Method Investments



As of	March 1, 2012				September 1, 2011
	Investment Balance		Ownership Percentage		Investment Balance		Ownership Percentage
Inotera	$	259	29.7	%	$	388	29.7	%
Transform	75		50.0	%	87		50.0	%
Other	1		Various		8		Various
	$	335			$	483



	Quarter Ended						Six Months Ended
	March 1, 2012			March 3, 2011			March 1, 2012			March 3, 2011
Inotera:
Equity method loss	$	(64	)	$	(45	)	$	(136	)	$	(71	)
Inotera Amortization	12			12			24			24
Other	(4		)	(2		)	(7		)	(2		)
	(56		)	(35		)	(119		)	(49		)
Transform	(15		)	(9		)	(22		)	(16		)
Other	(2		)	(4		)	(6		)	(9		)
	$	(73	)	$	(48	)	$	(147	)	$	(74	)

Our maximum exposure to loss from our involvement with our equity method investments that are VIEs was as follows:



As of	March 1, 2012
Inotera	$	354
Transform	76

Accounts Payable and Accrued Expenses (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Accounts Payable And Accrued Liabilities Schedule



As of	March 1, 2012		September 1, 2011
Accounts payable	$	806	$	1,187
Salaries, wages and benefits	276		304
Related party payables	118		141
Income and other taxes	37		30
Other	220		168
	$	1,457	$	1,830

Debt (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule of Debt



As of	March 1, 2012			September 1, 2011
2014 convertible senior notes, due June 2014 at stated rate of 1.875%, effective rate of 7.9%, net of discount of $112 and $134, respectively	$	837		$	815
Capital lease obligations, due in periodic installments through August 2050 at 5.0% and 6.1%, respectively	702			423
2031A convertible senior notes, due August 2031 at stated rate of 1.5%, effective rate of 6.5%, net of discount of $85 and $90, respectively	260			255
2031B convertible senior notes, due August 2031 at stated rate of 1.875%, effective rate of 7.0%, net of discount of $106 and $111, respectively	239			234
2013 convertible senior notes, due October 2013 at stated rate of 4.25%	139			139
2027 convertible senior notes, due June 2027 at stated rate of 1.875%, effective rate of 6.9%, net of discount of $37 and $40, respectively	138			135
	2,315			2,001
Less current portion	(150		)	(140		)
	$	2,165		$	1,861

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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+ Details

Shareholders' Equity (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule of stockholders' equity

Changes in the components of equity were as follows:



	Six Months Ended March 1, 2012									Six Months Ended March 3, 2011
	Attributable to Micron			Noncontrolling Interests			Total Equity			Attributable to Micron		Noncontrolling Interests			Total Equity
Beginning balance	$	8,470		$	1,382		$	9,852		$	8,020	$	1,796		$	9,816

Net income (loss)	(469		)	—			(469		)	227		20			247
Other comprehensive income (loss)	(64		)	—			(64		)	90		5			95
Comprehensive income (loss)	(533		)	—			(533		)	317		25			342

Acquisition of noncontrolling interests in TECH	—			—			—			67		(226		)	(159		)
Net contribution from (distributions to) noncontrolling interests	—			(9		)	(9		)	—		(95		)	(95		)
Issuance and repurchase of convertible debts	—			—			—			13		—			13
Capital and other transactions attributable to Micron	49			—			49			45		—			45
Ending balance	$	7,986		$	1,373		$	9,359		$	8,462	$	1,500		$	9,962

Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]



	Notional Amount⁽¹⁾(in U.S. Dollars)		Fair Value of
Currency	Notional Amount⁽¹⁾(in U.S. Dollars)		Asset⁽²⁾		(Liability)⁽³⁾
As of March 1, 2012:
Singapore dollar	$	176	$	—	$	—
Euro	170		2		(2		)
Shekel	63		—		(1		)
Yen	21		—		(1		)
Other	41		—		—
	$	471	$	2	$	(4	)

As of September 1, 2011:
Singapore dollar	$	210	$	—	$	—
Euro	301		3		—
Shekel	98		—		(2		)
Yen	165		3		—
Other	50		—		—
	$	824	$	6	$	(2	)


⁽¹⁾	Represents the face value of outstanding contracts.


⁽²⁾	Included in other receivables.


⁽³⁾	Included in other accounts payable and accrued expenses.

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]



	Notional Amount⁽¹⁾ (in U.S. Dollars)		Fair Value of
Currency	Notional Amount⁽¹⁾ (in U.S. Dollars)		Asset⁽²⁾		(Liability)⁽³⁾
As of March 1, 2012:
Yen	$	12	$	—	$	(1	)
Euro	10		—		—
	$	22	$	—	$	(1	)
As of September 1, 2011:
Yen	$	19	$	1	$	—
Euro	232		8		—
	$	251	$	9	$	—


⁽¹⁾	Represents the face value of outstanding contracts


⁽²⁾	Included in other receivables


⁽³⁾	Included in other accounts payable and accrued expenses

Fair Value Measurements (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Assets measured at fair value on a recurring basis

Fair Value Measurements on a Recurring Basis

Assets measured at fair value on a recurring basis were as follows:



	March 1, 2012								September 1, 2011
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Money market⁽¹⁾	$	1,520	$	—	$	—	$	1,520	$	1,462	$	—	$	—	$	1,462
Certificates of deposit⁽¹⁾	—		2		—		2		—		155		—		155
Marketable equity investments⁽²⁾	4		10		—		14		37		15		—		52
Assets held for sale⁽²⁾	—		—		30		30		—		—		35		35
	$	1,524	$	12	$	30	$	1,566	$	1,499	$	170	$	35	$	1,704


⁽¹⁾	Included in cashand equivalents.


⁽²⁾	Included in other noncurrent assets.

Estimated fair value and carrying value of debt instruments

The estimated fair value and carrying value of debt instruments (carrying value excludes the equity component of the 2014 Notes, the 2027 Notes and the 2031 Notes which is classified in equity) were as follows:



	March 1, 2012				September 1, 2011
	Fair Value		Carrying Value		Fair Value		Carrying Value
Convertible debt instruments (Level 1)	$	951	$	837	$	1,216	$	1,049
Convertible debt instruments (Level 2)	1,184		776		629		529
Other debt instruments	713		702		436		423

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References + Details

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 14
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15
-Subparagraph b-d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph a, c(1), c(2), c(3), d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph c(2), d, e, f
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 19
-Subparagraph a, b, c(1), d(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13433-108611

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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13476-108611

Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610

+ Details

Equity Plans (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Assumptions used in Black-Scholes option valuation model

Assumptions used in the Black-Scholes model are presented below:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
Average expected life in years	5.1		5.0		5.1		5.1
Weighted-average expected volatility	66	%	55	%	66	%	56	%
Weighted-average risk-free interest rate	0.9	%	2.1	%	1.0	%	1.8	%

Restricted stock awards

Restricted Stock Awards granted for the second quarters and first six months of 2012 and 2011 were as follows:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
Service-based awards	2.0		3.1		3.8		4.3
Performance-based awards	—		—		1.9		1.2
Weighted-average grant-date fair values per share	$	5.84	$	9.62	$	5.40	$	8.74

Stock-based compensation expense

Stock-based Compensation Expense

Total compensation costs for our equity plans were as follows:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
Stock-based compensation expense by caption:
Cost of goods sold	$	7	$	6	$	12	$	10
Selling, general and administrative	18		9		29		20
Research and development	5		4		9		8
	$	30	$	19	$	50	$	38

Stock-based compensation expense by type of award:
Stock options	$	19	$	11	$	31	$	21
Restricted stock awards	11		8		19		17
	$	30	$	19	$	50	$	38

Other Operating (Income) Expense, Net (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Schedule of Other operating (income) expense, net

Other operating (income) expense consisted of the following:



	Quarter Ended					Six Months Ended
	March 1, 2012		March 3, 2011			March 1, 2012		March 3, 2011
(Gain) loss on disposition of property, plant and equipment	$	5	$	(16	)	$	6	$	(16	)
(Gain) loss from changes in currency exchange rates	2		—			13		7
Samsung patent cross-license agreement	—		(40		)	—		(240		)
Other	12		(20		)	6		(18		)
	$	19	$	(76	)	$	25	$	(267	)

Earnings Per Share (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Basic and diluted earnings per share



	Quarter Ended					Six Months Ended
	March 1, 2012			March 3, 2011		March 1, 2012			March 3, 2011
Net income (loss) available to Micron shareholders – Basic	$	(282	)	$	72	$	(469	)	$	227
Net effect of assumed conversion of debt	—			2		—			4
Net income (loss) available to Micron shareholders – Diluted	$	(282	)	$	74	$	(469	)	$	231

Weighted-average common shares outstanding – Basic	982.8			988.1		982.1			980.5
Net effect of dilutive equity awards, escrow shares and assumed conversion of debt	—			49.2		—			54.0
Weighted-average common shares outstanding – Diluted	982.8			1,037.3		982.1			1,034.5

Earnings (loss) per share:
Basic	$	(0.29	)	$	0.07	$	(0.48	)	$	0.23
Diluted	(0.29		)	0.07		(0.48		)	0.22

Comprehensive Income (Loss) (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Components of comprehensive income (loss)

The components of comprehensive income (loss) were as follows:



	Quarter Ended						Six Months Ended
	March 1, 2012			March 3, 2011			March 1, 2012			March 3, 2011
Net income (loss)	$	(282	)	$	75		$	(469	)	$	247
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on investments	(32		)	4			(30		)	7
Net gain (loss) on derivatives	(4		)	22			(15		)	28
Net gain (loss) on foreign currency translation adjustment	2			41			(19		)	59
Pension liability adjustment	—			—			—			1
Total other comprehensive income (loss)	(34		)	67			(64		)	95
Comprehensive income (loss)	(316		)	142			(533		)	342
Comprehensive loss (income) attributable to noncontrolling interests	1			(4		)	—			(25		)
Comprehensive income (loss) attributable to Micron	$	(315	)	$	138		$	(533	)	$	317

Components of accumulated other comprehensive income (loss), net of tax

The components of accumulated other comprehensive income (loss), net of tax, at the end of each period were as follows:



As of	March 1, 2012			September 1, 2011
Accumulated translation adjustment, net	$	46		$	65
Gain (loss) on derivatives, net	28			43
Gain (loss) on investments, net	(5		)	25
Unrecognized pension liability	(1		)	(1		)
Accumulated other comprehensive income	$	68		$	132

Consolidated Variable Interest Entities (Tables)

6 Months Ended

Mar. 01, 2012

Variable Interest Entity [Line Items]

IM Flash's distributions to, and contributions from, shareholders

The following table presents IM Flash's distributions to and contributions from its shareholders:



	Quarter Ended				Six Months Ended
	March 1, 2012		March 3, 2011		March 1, 2012		March 3, 2011
IM Flash distributions to Micron	$	67	$	53	$	153	$	104
IM Flash distributions to Intel	64		50		147		99
Micron contributions to IM Flash	—		343		103		735
Intel contributions to IM Flash	—		—		131		—

IM Flash [Member]

Variable Interest Entity [Line Items]

Total IM Flash and MP Mask assets and liabilities

Total IM Flash assets and liabilities included in our consolidated balance sheets were as follows:



As of	March 1, 2012		September 1, 2011
Assets
Cash and equivalents	$	171	$	327
Receivables	217		252
Inventories	240		227
Other current assets	14		11
Total current assets	642		817
Property, plant and equipment, net	3,991		4,121
Other noncurrent assets	66		66
Total assets	$	4,699	$	5,004

Liabilities
Accounts payable and accrued expenses	$	194	$	458
Deferred income	122		125
Equipment purchase contracts	93		37
Current portion of long-term debt	10		8
Total current liabilities	419		628
Long-term debt	78		58
Other noncurrent liabilities	4		4
Total liabilities	$	501	$	690

Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.

MP Mask Technology Center LLC [Member]

Variable Interest Entity [Line Items]

Total IM Flash and MP Mask assets and liabilities

Total MP Mask assets and liabilities included in our consolidated balance sheets were as follows:



As of	March 1, 2012		September 1, 2011
Current assets	$	20	$	24
Noncurrent assets (primarily property, plant and equipment)	184		143
Current liabilities	51		31

Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.

- Definition

Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 46R
-Paragraph 4
-Subparagraph g
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 46R
-Paragraph 2, 14, 15, 16, 23, 24, 25, 26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 35
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6970148&loc=d3e5728-111685

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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-URI http://asc.fasb.org/extlink&oid=6970148&loc=d3e5747-111685

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Variable Interest Entity
-URI http://asc.fasb.org/extlink&oid=6528138

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS140-4/FIN46(R)-8
-Paragraph C4
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 167
-Appendix D
-Paragraph 22B

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 167
-Appendix D
-Paragraph 22E

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 167
-Appendix D
-Paragraph 23A

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 167
-Appendix D
-Paragraph 24

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
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-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6970148&loc=SL6228884-111685

+ Details

Segment Information (Tables)

6 Months Ended

Mar. 01, 2012

Notes to Financial Statements [Abstract]

Segment Information



	Quarter Ended						Six Months Ended
	March 1, 2012			March 3, 2011			March 1, 2012			March 3, 2011
Net sales:
NSG	$	734		$	552		$	1,417		$	1,054
DSG	608			841			1,264			1,744
WSG	307			510			680			1,021
ESG	242			252			504			518
All Other	118			102			234			172
	$	2,009		$	2,257		$	4,099		$	4,509

Operating income (loss):
NSG	$	97		$	72		$	191		$	129
DSG	(167		)	51			(306		)	276
WSG	(129		)	10			(187		)	66
ESG	15			58			53			136
All Other	(21		)	(12		)	(38		)	(38		)
	$	(205	)	$	179		$	(287	)	$	569

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References + Details

Variable Interest Entities (Details)	Mar. 01, 2012
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] \| IM Flash Singapore LLP [Member]
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage (in hundredths)	82.00%

Receivables (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Receivables [Abstract]
Trade receivables (net of allowance for doubtful accounts of $2 and $3, respectively)	$ 913	$ 1,105
Income and other taxes	98	137
Related party receivables	83	72
Other	147	183
Total	1,241	1,497
Allowance for doubtful accounts	$ 2	$ 3

- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 4
-Section 08
-Paragraph k
-Subparagraph 1

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 57
-Paragraph 2
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
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-Topic 850
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

- Definition

Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

+ References + Details

Receivables - Related Party Transactions (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Related Party Transaction [Line Items]
Related party receivables	$ 83	$ 72
Aptina [Member]
Related Party Transaction [Line Items]
Related party receivables	$ 74	$ 67

- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

+ Details

Receivables - Other Receivables (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Other Receivables [Line Items]
Other	$ 147	$ 183
Intel Corporation ('Intel') [Member]
Other Receivables [Line Items]
Other	26	34
Nanya Technology Corporation ('Nanya') [Member]
Other Receivables [Line Items]
Other	$ 25	$ 25

Inventories (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Finished goods	$ 681	$ 596
Work in process	1,245	1,342
Raw materials and supplies	155	142
Total	$ 2,081	$ 2,080

Intangible Assets (Details) - USD ($) $ in Millions	6 Months Ended
Intangible Assets (Details) - USD ($) $ in Millions	Mar. 01, 2012	Mar. 03, 2011	Sep. 01, 2011
Intangible Assets [Abstract]
Gross Amount	$ 718		$ 699
Accumulated Amortization	(318)		(285)
Product and process technology [Member]
Intangible Assets [Abstract]
Gross Amount	590		571
Accumulated Amortization	(228)		(203)
Product and process technology intangible asset capitalized during period	$ 30	$ 24
Product and process technology intangible asset capitalized during period, weighted-average useful lives (in years)	9Y	9Y
Customer relationships [Member]
Intangible Assets [Abstract]
Gross Amount	$ 127		127
Accumulated Amortization	(90)		(82)
Other [Member]
Intangible Assets [Abstract]
Gross Amount	1		1
Accumulated Amortization	$ 0		$ 0

Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Finite-Lived Intangible Assets [Line Items]
Amortization expense for intangible assets	$ 22	$ 18	$ 44	$ 37
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Annual amortization for 2012			88
Annual amortization for 2013			83
Annual amortization for 2014			75
Annual amortization for 2015			57
Annual amortization for 2016			$ 49

Property, Plant and Equipment (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 20,384	$ 19,756
Accumulated depreciation	(13,027)	(12,201)
Property, Plant and Equipment, Net	7,357	7,555
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	92	92
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	4,602	4,481
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	15,285	14,735
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	94	155
Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 311	$ 293

- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References + Details

Property, Plant and Equipment - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011	Sep. 01, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 547	$ 485	$ 1,089	$ 966
Property, plant and equipment classified as held for sale	$ 30		$ 30		$ 35

Equity Method Investments (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended			6 Months Ended			12 Months Ended
Equity Method Investments (Details) - USD ($) $ in Millions	Mar. 31, 2012	Mar. 01, 2012	Mar. 01, 2012	Dec. 01, 2011	Mar. 03, 2011	Aug. 30, 2012	Mar. 01, 2012	Mar. 03, 2011	Dec. 31, 2011	Sep. 02, 2010	Dec. 20, 2011	Sep. 01, 2011
Schedule of Equity Method Investments [Line Items]
Investment Balance		$ 335	$ 335				$ 335					$ 483
Equity in net income (loss) of equity method investees, net of tax			(73)		$ (48)		$ (147)	$ (74)
Percentage of Inotera's wafer production obligated to purchase (in hundredths)							50.00%
Related Party Transaction, Due from (to) Related Party, Current [Abstract]
Reduction in research and development costs under cost sharing arrangement			36		33		$ 73	63
Royalty revenue from Nanya for sales of stack DRAM products			1		6		4	13
Payments to acquire equity method investments							7	11
Inotera [Member]
Schedule of Equity Method Investments [Line Items]
Investment Balance		$ 259	$ 259				$ 259					$ 388
Ownership Percentage (in hundredths)	39.70%	29.70%	29.70%				29.70%					29.70%
Income Loss From Equity Method Investments Before Amortization And Other			$ (64)		(45)		$ (136)	(71)
Equity Method Investments Amortization Of Difference Between Cost And Underlying Equity In Net Assets			12		12		24	24
Income Loss From Equity Method Investments Other Adjustments			(4)		(2)		(7)	(2)
Equity in net income (loss) of equity method investees, net of tax			(56)		(35)		(119)	(49)
Maximum exposure to loss related variable interest entities		$ 354	354				354
Inotera amortization remaining to be recognized		$ 50	50				50
Equity Method Investment, Summarized Financial Information [Abstract]
Inotera net loss									$ 737
Inotera current liabilities that exceed current assets									$ 2,200
Related Party Transaction, Due from (to) Related Party, Current [Abstract]
Amount loaned to Inotera											$ 133
Inotera loan stated annual interest rate		2.00%
Purchases of DRAM products from Inotera			142		167		298	304
Loss on our purchase commitment under the Inotera Supply Agreement			19	$ 40
Market value of equity interest in Inotera		$ 404	404				404
Equity method investment net carrying value		213	213				213
Amount in accumulated other comprehensive income (loss) for cumulative translation adjustments on its investment		$ 46	$ 46				$ 46					$ 65
Percentage interest held by a third party (in hundredths)		30.40%	30.40%				30.40%
Payments to acquire equity method investments	$ 170
Inotera [Member] \| Scenario, Forecast [Member]
Schedule of Equity Method Investments [Line Items]
Remaining Inotera amortization in 2012						$ 25
Transform Solar Pty Limited ('Transform') [Member]
Schedule of Equity Method Investments [Line Items]
Investment Balance		$ 75	$ 75				$ 75					$ 87
Ownership Percentage (in hundredths)		50.00%	50.00%				50.00%					50.00%
Equity in net income (loss) of equity method investees, net of tax			$ (15)		(9)		$ (22)	(16)
Maximum exposure to loss related variable interest entities		$ 76	$ 76				$ 76
Related Party Transaction, Due from (to) Related Party, Current [Abstract]
Ownership percentage after stock transactions during period (in hundredths)										50.00%
Percentage interest held by a third party (in hundredths)		50.00%	50.00%				50.00%
Payments to acquire equity method investments			$ 4		4		$ 7	11
Payments by third party to acquire interest in equity method investment of the entity.			4		4		7	11
Other [Member]
Schedule of Equity Method Investments [Line Items]
Investment Balance		$ 1	1				1					$ 8
Equity in net income (loss) of equity method investees, net of tax			(2)		$ (4)		(6)	$ (9)
Aptina [Member]
Schedule of Equity Method Investments [Line Items]
Investment Balance		$ 0	$ 0				$ 0
Aptina [Member] \| Other [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage (in hundredths)		35.00%	35.00%				35.00%

Equity Method Investments - 2 (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Transform Solar Pty Limited ('Transform') [Member]
Related Party Transaction [Line Items]
Revenues from transactions with related party	$ 4	$ 6	$ 8	$ 11
Aptina [Member]
Related Party Transaction [Line Items]
Revenues from transactions with related party	$ 99	$ 82	$ 193	$ 141
Aptina [Member] \| Other [Member]
Related Party Transaction [Line Items]
Ownership Percentage (in hundredths)	35.00%		35.00%

Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Accounts payable	$ 806	$ 1,187
Salaries, wages and benefits	276	304
Related party payables	118	141
Income and other taxes	37	30
Other	220	168
Total accounts payable and accrued expenses	$ 1,457	$ 1,830

- Definition

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

Accounts Payable and Accrued Expenses - Related Party Transactions (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Related Party Transaction [Line Items]
Related party payables	$ 118	$ 141
Inotera [Member]
Related Party Transaction [Line Items]
Related party payables	$ 118	$ 139

- Definition

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

Accounts Payable and Accrued Expenses - Additional Information (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Accounts Payable and Accrued Expenses Other [Line Items]
Other	$ 220	$ 168
Intel [Member]
Accounts Payable and Accrued Expenses Other [Line Items]
Other	$ 7	$ 17

Debt - Schedule of Long-term Debt (Details)	3 Months Ended	6 Months Ended
Debt - Schedule of Long-term Debt (Details)	Mar. 01, 2012 USD ($) $ / shares	Mar. 01, 2012 USD ($) shares $ / shares	Mar. 03, 2011 USD ($)	Apr. 05, 2012 USD ($)	Sep. 01, 2011 USD ($)	Dec. 02, 2010 USD ($)
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 2,315,000,000	$ 2,315,000,000			$ 2,001,000,000
Less current portion	(150,000,000)	(150,000,000)			(140,000,000)
Long-term debt	2,165,000,000	2,165,000,000			1,861,000,000
Proceeds from equipment sale-leaseback transactions		340,000,000	$ 95,000,000
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	2,315,000,000	2,315,000,000			2,001,000,000
Convertible senior notes due June 2014 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 837,000,000	$ 837,000,000			$ 815,000,000
Stated interest rate (in hundredths)	1.875%	1.875%			1.875%
Effective interest rate (in hundredths)	7.90%	7.90%			7.90%
Discount	$ 112,000,000	$ 112,000,000			$ 134,000,000
Due date		Jun. 30, 2014
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	837,000,000	$ 837,000,000			815,000,000
Capital lease obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 702,000,000	$ 702,000,000			$ 423,000,000
Effective interest rate (in hundredths)	5.00%	5.00%			6.10%
Due date		Aug. 31, 2050
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	$ 702,000,000	$ 702,000,000			$ 423,000,000
Convertible senior notes due August 2031A [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 260,000,000	$ 260,000,000			$ 255,000,000
Stated interest rate (in hundredths)	1.50%	1.50%			1.50%
Effective interest rate (in hundredths)	6.50%	6.50%			6.50%
Discount	$ 85,000,000	$ 85,000,000			$ 90,000,000
Due date		Aug. 31, 2031
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	260,000,000	$ 260,000,000			255,000,000
Convertible senior notes due August 2031B [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 239,000,000	$ 239,000,000			$ 234,000,000
Stated interest rate (in hundredths)	1.875%	1.875%			1.875%
Effective interest rate (in hundredths)	7.00%	7.00%			7.00%
Discount	$ 106,000,000	$ 106,000,000			$ 111,000,000
Due date		Aug. 31, 2031
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	239,000,000	$ 239,000,000			234,000,000
Convertible senior notes due October 2013 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 139,000,000	$ 139,000,000		$ 139,000,000	$ 139,000,000
Stated interest rate (in hundredths)	4.25%	4.25%			4.25%
Due date		Oct. 31, 2013
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	$ 139,000,000	$ 139,000,000		$ 139,000,000	$ 139,000,000
Debt Instrument, Convertible, Conversion Ratio \| shares		196.7052
Principal Amount Per Debenture Used In Coversion Rate		$ 1,000
Debt Instrument, Convertible, Conversion Price \| $ / shares	$ 5.08	$ 5.08
Debt Instrument, Convertible, Number of Equity Instruments \| shares		27,300,000
Convertible senior notes due June 2027 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 138,000,000	$ 138,000,000			$ 135,000,000
Stated interest rate (in hundredths)	1.875%	1.875%			1.875%
Effective interest rate (in hundredths)	6.90%	6.90%			6.90%
Discount	$ 37,000,000	$ 37,000,000			$ 40,000,000
Due date		Jun. 30, 2027
Convertible debt due 2027, aggregate principal amount						$ 175,000,000
Convertible Debt Redemption Notice [Abstract]
Long-term Debt, Gross	$ 138,000,000	$ 138,000,000			$ 135,000,000
Sales-leaseback transactions [Member]
Debt Instrument [Line Items]
Due date	Feb. 29, 2016	Feb. 29, 2016
Proceeds from equipment sale-leaseback transactions	$ 230,000,000	$ 340,000,000
Long-term Debt, Gross, current period additions	$ 230,000,000	$ 340,000,000
Imputed interest rate of sale leaseback additions (in hundredths)	3.90%	4.00%

Debt - Extinguishment of Debt (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Dec. 02, 2010	Mar. 01, 2012	Mar. 03, 2011
Extinguishment of Debt [Line Items]
Loss on extinguishment of debt	$ 111	$ 0	$ 111
Repayments of convertible debt		$ 101	$ 812
Convertible Senior Notes Due 2014 [Member] \| Exchanged [Member]
Extinguishment of Debt [Line Items]
Debt instrument, face value	175
Loss on extinguishment of debt	15
Convertible Senior Notes Due 2014 [Member] \| Repurchased [Member]
Extinguishment of Debt [Line Items]
Debt instrument, face value	176
Loss on extinguishment of debt	17
Repayments of convertible debt	171
Convertible Senior Notes Due 2013 [Member] \| Repurchased [Member]
Extinguishment of Debt [Line Items]
Debt instrument, face value	91
Loss on extinguishment of debt	79
Repayments of convertible debt	$ 166

Contingencies (Details) $ in Millions	1 Months Ended	6 Months Ended	19 Months Ended	20 Months Ended
Contingencies (Details) $ in Millions	Jul. 31, 2006 integer	Mar. 01, 2012 USD ($) integer	Jun. 30, 2006 integer	Mar. 01, 2012 USD ($)	Mar. 26, 2012 integer	Mar. 23, 2012 USD ($)	Dec. 05, 2011 integer	Nov. 16, 2011 integer	Sep. 14, 2011 integer	Sep. 09, 2011 integer	Sep. 01, 2011 integer	Jul. 08, 2011 integer	Mar. 10, 2011 integer	Feb. 07, 2011 integer	Jun. 23, 2010 USD ($) integer	Mar. 06, 2009 integer	Jan. 09, 2009 integer	Jan. 13, 2006 integer	Aug. 28, 2000 integer
Patent Matters [Member] \| Rambus Patent Litigation Delaware [Member]
Loss Contingencies [Line Items]
Alleged number of patents infringed																			12
Court ruling patents unenforceable against us due to spoliation (number of patents)																	12
Patent Matters [Member] \| Rambus Patent Litigation Northern California [Member]
Loss Contingencies [Line Items]
Alleged number of patents infringed																		14
Patent Matters [Member] \| Panavision Imaging Patent Litigation [Member]
Loss Contingencies [Line Items]
Alleged number of patents infringed																4
Court ruling patents in suit was invalid for indefiniteness (number of patents)														1
Court ruling patents in suit dismissed with prejudice (number of patents)													3
Court ruling patents in suit was invalid for indefiniteness rescinded (number of patents)												1
Patent Matters [Member] \| HSM Portfolio LLC and Technology Properties LLC [Member]
Loss Contingencies [Line Items]
Number of other defendants											17
Alleged number of patents infringed											2
Patent Matters [Member] \| Advanced Data Access LLC [Member]
Loss Contingencies [Line Items]
Number of other defendants										7
Alleged number of patents infringed								2
Patent Matters [Member] \| Smart Memory Solutions LLC [Member]
Loss Contingencies [Line Items]
Alleged number of patents infringed									1
Patent Matters [Member] \| Board Of Trustees For The University Of Illinois [Member]
Loss Contingencies [Line Items]
Alleged number of patents infringed							3
Patent Matters [Member] \| Semiconductor Technologies, LLC [Member]
Loss Contingencies [Line Items]
Alleged number of patents infringed					5
Antitrust Matters [Member] \| Rambus DRAM Complaint [Member]
Loss Contingencies [Line Items]
Approximation of damages claimed \| $		$ 3,900
Antitrust Matters [Member] \| DRAM Purported Class Action Price-fixing Lawsuit [Member]
Loss Contingencies [Line Items]
Number of lawsuits filed		68
Approximate number of U.S. states and territories filing suit	40
Settlement agreement amount \| $															$ 67
Settlement agreement number of installment payments															3
Settlement agreement number of years for installment payments (in years)															2Y
Amount paid into an escrow account in connection with settlement \| $				$ 45
Antitrust Matters [Member] \| Canadian DRAM Putative Class Action Price-fixing Lawsuit [Member]
Loss Contingencies [Line Items]
Number of lawsuits filed			3
Antitrust Matters [Member] \| Oracle Dram Price Fixing Suit [Member]
Loss Contingencies [Line Items]
Settlement agreement amount \| $						$ 58

Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Shareholders' Equity (Details) - USD ($) $ in Millions	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Beginning Balance			$ 9,852	$ 9,816
Net income (loss)	$ (282)	$ 75	(469)	247
Other comprehensive income (loss)	(34)	67	(64)	95
Comprehensive income (loss)	(316)	142	(533)	342
Acquisition of noncontrolling interests in TECH			0	(159)
Net contibution from (distributions to) noncontrolling interests			(9)	(95)
Issuance and repurchase of convertible debts			0	13
Capital and other transactions attributable to Micron			49	45
Ending Balance	9,359	9,962	9,359	9,962
Attributable to Micron [Member]
Beginning Balance			8,470	8,020
Net income (loss)			(469)	227
Other comprehensive income (loss)			(64)	90
Comprehensive income (loss)			(533)	317
Acquisition of noncontrolling interests in TECH			0	67
Net contibution from (distributions to) noncontrolling interests			0	0
Issuance and repurchase of convertible debts			0	13
Capital and other transactions attributable to Micron			49	45
Ending Balance	7,986	8,462	7,986	8,462
Noncontrolling Interest [Member]
Beginning Balance			1,382	1,796
Net income (loss)			0	20
Other comprehensive income (loss)			0	5
Comprehensive income (loss)			0	25
Acquisition of noncontrolling interests in TECH			0	(226)
Net contibution from (distributions to) noncontrolling interests			(9)	(95)
Issuance and repurchase of convertible debts			0	0
Capital and other transactions attributable to Micron			0	0
Ending Balance	$ 1,373	$ 1,500	$ 1,373	$ 1,500

Derivative Financial Instruments - Fair Values (Details) - USD ($)
$ in Millions

6 Months Ended

Mar. 01, 2012

Sep. 01, 2011

Foreign Currency Derivative Instruments Not Designated as Hedging Instruments [Abstract]

Derivative instruments not designated as hedging instruments, description of terms (in days)

35D

Foreign Currency Cash Flow Hedges [Abstract]

General maturity of currency derivatives with cash flow hedge accounting designation (in months)

12M

Not Designated as Hedging Instrument [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding, Not Designated

^[1]

$ 471

$ 824

Not Designated as Hedging Instrument [Member] | Singapore dollar currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding, Not Designated

^[1]

176

210

Not Designated as Hedging Instrument [Member] | Euro currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding, Not Designated

^[1]

170

301

Not Designated as Hedging Instrument [Member] | Shekel currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding, Not Designated

^[1]

Not Designated as Hedging Instrument [Member] | Yen currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding, Not Designated

^[1]

165

Not Designated as Hedging Instrument [Member] | Other currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding, Not Designated

^[1]

Not Designated as Hedging Instrument [Member] | Receivables [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Not Designated as Hedging Instrument [Member] | Receivables [Member] | Singapore dollar currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Not Designated as Hedging Instrument [Member] | Receivables [Member] | Euro currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Not Designated as Hedging Instrument [Member] | Receivables [Member] | Shekel currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Not Designated as Hedging Instrument [Member] | Receivables [Member] | Yen currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Not Designated as Hedging Instrument [Member] | Receivables [Member] | Other currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Not Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

(4)

(2)

Not Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Singapore dollar currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

Not Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Euro currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

(2)

Not Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Shekel currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

(1)

(2)

Not Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Yen currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

(1)

Not Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Other currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

Designated as Hedging Instrument [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding

^[1]

251

Designated as Hedging Instrument [Member] | Euro currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding

^[1]

232

Designated as Hedging Instrument [Member] | Yen currency forward contracts [Member]

Notional Amount of Derivatives, Total [Abstract]

Notional Amount Outstanding

^[1]

Designated as Hedging Instrument [Member] | Receivables [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Designated as Hedging Instrument [Member] | Receivables [Member] | Euro currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Designated as Hedging Instrument [Member] | Receivables [Member] | Yen currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Asset

^[2]

Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

(1)

Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Euro currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

Designated as Hedging Instrument [Member] | Accounts payable and accrued expenses [Member] | Yen currency forward contracts [Member]

Derivative, Fair Value, Net [Abstract]

Fair Value of Liability

^[3]

$ (1)

$ 0

[1]	Represents the face value of outstanding contracts
[2]	Included in other receivables
[3]	Included in other accounts payable and accrued expenses

Derivative Financial Instruments - Hedging Relationship (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 2		$ 4
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	6		6
Other Operating Income (Expense) [Member] \| Nondesignated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income	3	$ 7	(17)	$ 5
Other Comprehensive Income [Member] \| Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion	$ (2)	$ 22	$ (11)	$ 28

- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References + Details

Fair Value Measurements - Assets measured (Details) - USD ($)
shares in Millions, $ in Millions

3 Months Ended

Mar. 01, 2012

Sep. 01, 2011

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Marketable equity investments

^[1]

$ 14

$ 52

Assets held for sale

^[1]

Total assets measured at fair value on a recurring basis

1,566

$ 1,704

Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]

Marketable equity investments, realized gains

$ 34

Tower Semiconductor Ltd. shares received in Japan Fab disposition (in shares)

Money Market Funds [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

$ 1,520

$ 1,462

Certificates of Deposit [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

155

Level 1 [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Marketable equity investments

^[1]

Assets held for sale

^[1]

Total assets measured at fair value on a recurring basis

$ 1,524

1,499

Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]

Tower Semiconductor Ltd. shares Level 2 To Level 1 Transfers (in shares)

Level 1 [Member] | Money Market Funds [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

$ 1,520

1,462

Level 1 [Member] | Certificates of Deposit [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

Level 2 [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Marketable equity investments

^[1]

Assets held for sale

^[1]

Total assets measured at fair value on a recurring basis

170

Level 2 [Member] | Money Market Funds [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

Level 2 [Member] | Certificates of Deposit [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

155

Level 3 [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Marketable equity investments

^[1]

Assets held for sale

^[1]

Total assets measured at fair value on a recurring basis

Level 3 [Member] | Money Market Funds [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

Level 3 [Member] | Certificates of Deposit [Member]

Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]

Cash and equivalents

^[2]

$ 0

[1]	Included in other noncurrent assets.
[2]	Included in cash and equivalents.

Fair Value Measurements - Fair and Carrying Value (Details) - USD ($) $ in Millions	Mar. 01, 2012	Sep. 01, 2011
Fair Value [Member] \| Level 1 [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	$ 951	$ 1,216
Fair Value [Member] \| Level 2 [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	1,184	629
Other debt instruments	713	436
Carrying Value [Member] \| Level 1 [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	837	1,049
Carrying Value [Member] \| Level 2 [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	776	529
Other debt instruments	$ 702	$ 423

Equity Plans - Share Based Compensation (Details) shares in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012 decimal $ / shares shares	Mar. 03, 2011 decimal $ / shares shares	Mar. 01, 2012 decimal $ / shares shares	Mar. 03, 2011 decimal $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance for stock options and restricted stock awards (in shares)	186.5		186.5
Number of shares subject to outstanding awards (in shares)	108.4		108.4
Number of shares available for future awards (in shares)	78.1		78.1
Number of stock options granted during period (in shares)	14.5	10.8	20.4	14.9
Weighted-average grant-date fair values per share of options granted during period (in dollars per share) \| $ / shares	$ 3.25	$ 4.71	$ 3.16	$ 4.46
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Fair Value Assumptions, Method Used			Black-Scholes	Black-Scholes
Average expected life (in years) \| decimal	5.1	5.0	5.1	5.1
Weighted-average expected volatility (in hundredths)	66.00%	55.00%	66.00%	56.00%
Weighted-average risk-free interest rate (in hundredths)	0.90%	2.10%	1.00%	1.80%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Number of shares of Restricted Stock Awards outstanding (in shares)	10.4		10.4
Weighted-average grant-date fair values per share (in dollars per share) \| $ / shares	$ 5.84	$ 9.62	$ 5.40	$ 8.74
Service-based awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Restricted Stock Awards granted (in shares)	2.0	3.1	3.8	4.3
Performance-base awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Number of shares of Restricted Stock Awards outstanding (in shares)	2.4		2.4
Restricted Stock Awards granted (in shares)	0.0	0.0	1.9	1.2

Equity Plans - Stock-based compensation expense (Details) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012 USD ($)	Mar. 03, 2011 USD ($)	Mar. 01, 2012 USD ($) Years	Mar. 03, 2011 USD ($)
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 30	$ 19	$ 50	$ 38
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Total unrecognized compensation costs, net of estimated forfeitures, related to non-vested awards expected to be recognized	173		$ 173
Weighted average period that unrecognized compensation costs is expected to be recognized (in years) \| Years			1.4
Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	19	11	$ 31	21
Restricted Stock Awards [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	11	8	19	17
Cost of Goods Sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	7	6	12	10
Selling, General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	18	9	29	20
Selling, General and Administrative [Member] \| Chief Executive Officer [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	9
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 5	$ 4	$ 9	$ 8

Other Operating (Income) Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended		12 Months Ended
	Mar. 01, 2012	Jun. 02, 2011	Mar. 03, 2011	Dec. 02, 2010	Mar. 01, 2012	Mar. 03, 2011	Sep. 01, 2011
Component Of Operating Other income And Expense Net [Line Items]
(Gain) loss on disposition of property, plant and equipment	$ 5		$ (16)		$ 6	$ (16)
(Gain) loss from changes in currency exchange rates	2		0		13	7
Samsung patent cross-license agreement	0	$ (35)	(40)	$ (200)	0	(240)	$ (275)
Other	12		(20)		6	(18)
Other operating (income) expense, net	$ 19		$ (76)		$ 25	$ (267)

- Definition

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

+ References + Details

Other Non-Operating Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Dec. 02, 2010	Mar. 01, 2012	Mar. 03, 2011
Other Nonoperating Income (Expense) [Abstract]
Other non-operating income (expense), net	$ 38	$ 0		$ 38	$ (114)
Realized Gain (Loss) on Sale of Investments [Member]
Other Nonoperating Income (Expense) [Abstract]
Other non-operating income (expense), net	$ 39
Debt Restructure [Member]
Other Nonoperating Income (Expense) [Abstract]
Other non-operating income (expense), net			$ (111)

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended		12 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Mar. 01, 2012	Dec. 01, 2011	Jun. 02, 2011	Mar. 03, 2011	Dec. 02, 2010	Mar. 01, 2012	Mar. 03, 2011	Sep. 01, 2011
Income Taxes [Line Items]
Tax benefit related to favorable resolution of certain prior year tax matters		$ 14
Deferred Foreign Income Tax Expense (Benefit)				$ 19
Tax charge in connection with receipt of Samsung patent cross-license agreement				7	$ 33
Samsung patent cross-license agreement	$ 0		$ 35	$ 40	$ 200	$ 0	$ 240	$ 275

- Definition

The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted federal tax law to the domestic taxable Income or Loss from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 45
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section I
-Paragraph Question 1-7

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Current Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6509736

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.7)
-URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 289
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The component of total income tax expense for the period comprised of the increase (decrease) in the entity's net foreign deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of applicable enacted tax laws of countries other than the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 45
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.7)
-URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Deferred Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6510177

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 289
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section I
-Subsection 7

+ Details

Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Earnings Per Share Basic And Diluted [Line Items]
Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares)	290.9	166.0	290.9	167.5
Earnings Per Share Reconciliation [Abstract]
Net income (loss) available to Micron shareholders - Basic	$ (282)	$ 72	$ (469)	$ 227
Net effect of assumed conversion of debt	0	2	0	4
Net income (loss) available to Micron shareholders - Diluted	$ (282)	$ 74	$ (469)	$ 231
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)	982.8	988.1	982.1	980.5
Net effect of dilutive equity awards, escrow shares and assumed conversion of debt (in shares)	0.0	49.2	0.0	54.0
Weighted-average common shares outstanding - Diluted (in shares)	982.8	1,037.3	982.1	1,034.5
Earnings (loss) per share:
Basic (in dollars per share)	$ (0.29)	$ 0.07	$ (0.48)	$ 0.23
Diluted (in dollars per share)	$ (0.29)	$ 0.07	$ (0.48)	$ 0.22

Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011	Sep. 01, 2011
Net income (loss)	$ (282)	$ 75	$ (469)	$ 247
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on investments	(32)	4	(30)	7
Net gain (loss) on derivatives	(4)	22	(15)	28
Net gain (loss) on foreign currency translation adjustment	2	41	(19)	59
Pension liability adjustment	0	0	0	1
Total other comprehensive income (loss)	(34)	67	(64)	95
Comprehensive income (loss)	(316)	142	(533)	342
Comprehensive loss (income) attributable to noncontrolling interests	1	(4)	0	(25)
Comprehensive income (loss) attributable to Micron	(315)	$ 138	(533)	317
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	68		68		$ 132
Parent [Member]
Net income (loss)			(469)	227
Other comprehensive income (loss), net of tax:
Total other comprehensive income (loss)			(64)	90
Comprehensive income (loss)			(533)	$ 317
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated translation adjustment, net	46		46		65
Gain (loss) on derivatives, net	28		28		43
Gain (loss) on investments, net	(5)		(5)		25
Unrecognized pension liability	(1)		(1)		(1)
Accumulated other comprehensive income	$ 68		$ 68		$ 132

Consolidated Variable Interest Entities (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 01, 2012	Dec. 01, 2011	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011	Aug. 31, 2006	Feb. 24, 2012	Sep. 01, 2011	Dec. 02, 2010
Variable Interest Entity [Line Items]
Net sales	$ 2,009		$ 2,257	$ 4,099	$ 4,509
Trade Receivables	913			913				$ 1,105
R and D expenses reduced by reimbursements from Intel	20		23	42	46
Sale proceeds for facility sold to Photronics							$ 35
Distributions to, and contributions from, shareholders [Abstract]
Distributions to noncontrolling interests from consolidated VIE's				147	99
Cash received from noncontrolling interests				138	4
Nonsoftware License Arrangement with Photronics [Member]
Variable Interest Entity [Line Items]
Proceeds for entering into license agreement with Photronics						$ 72
Term of license agreement with Photronics (in years)						10Y
Deferred income and other noncurrent liabilities related to license agreement with Photronics	$ 30			$ 30				34
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] \| IM Flash Technologies, LLC [Member]
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage (in hundredths)	51.00%			51.00%
Variable interest entity, ownership percentage by noncontrolling owners (in hundredths)	49.00%			49.00%
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] \| IM Flash Singapore LLP [Member]
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage (in hundredths)	82.00%			82.00%
Variable interest entity, ownership percentage by noncontrolling owners (in hundredths)	18.00%			18.00%
Micron share of IMFS cost and supply	78.00%			78.00%					51.00%
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] \| IM Flash [Member]
Distributions to, and contributions from, shareholders [Abstract]
Distributions to Micron from consolidated VIE's	$ 67		53	$ 153	104
Distributions to noncontrolling interests from consolidated VIE's	64		50	147	99
Micron contributions to consolidated VIE's	0		343	103	735
Cash received from noncontrolling interests	0		0	131	0
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] \| IM Flash [Member] \| Intel [Member]
Variable Interest Entity [Line Items]
Net sales	255		$ 202	516	$ 411
Trade Receivables	$ 145			$ 145				$ 165
Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] \| MP Mask Technology Center, LLC [Member]
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage (in hundredths)	50.01%			50.01%
Variable interest entity, ownership percentage by noncontrolling owners (in hundredths)	49.99%			49.99%
Distributions to, and contributions from, shareholders [Abstract]
Micron contributions to consolidated VIE's		$ 8
Cash received from noncontrolling interests		$ 7

Consolidated Variable Interest Entities - Assets & Liabilities (Details) - USD ($)
$ in Millions

Mar. 01, 2012

Sep. 01, 2011

Mar. 03, 2011

Sep. 02, 2010

Assets

Cash and equivalents

$ 2,094

$ 2,160

$ 2,184

$ 2,913

Receivables

1,241

1,497

Inventories

2,081

2,080

Other current assets

243

Total current assets

5,659

5,832

Property, plant and equipment, net

7,357

7,555

Other noncurrent assets

388

468

Total assets

14,139

14,752

Liabilities

Accounts payable and accrued expenses

1,457

1,830

Deferred income

364

443

Equipment purchase contracts

131

Current portion of long-term debt

150

140

Total current liabilities

2,102

2,480

Long-term debt

2,165

1,861

Other noncurrent liabilities

513

559

Total liabilities

4,780

4,900

Variable Interest Entity, Primary Beneficiary [Member] | IM Flash [Member]

Assets

Cash and equivalents

^[1]

171

327

Receivables

^[1]

217

252

Inventories

^[1]

240

227

Other current assets

^[1]

Total current assets

^[1]

642

817

Property, plant and equipment, net

^[1]

3,991

4,121

Other noncurrent assets

^[1]

Total assets

^[1]

4,699

5,004

Liabilities

Accounts payable and accrued expenses

^[1]

194

458

Deferred income

^[1]

122

125

Equipment purchase contracts

^[1]

Current portion of long-term debt

^[1]

Total current liabilities

^[1]

419

628

Long-term debt

^[1]

Other noncurrent liabilities

^[1]

Total liabilities

^[1]

501

690

Variable Interest Entity, Primary Beneficiary [Member] | IM Flash [Member] | IM Flash Assets and Liabilities Acquired by the Parent [Member]

Assets

Total assets

^[1]

2,880

2,999

Liabilities

Total liabilities

^[1]

193

433

Variable Interest Entity, Primary Beneficiary [Member] | MP Mask Technology Center, LLC [Member]

Assets

Total current assets

^[1]

Noncurrent assets (primarily property, plant and equipment)

^[1]

184

143

Liabilities

Total current liabilities

^[1]

$ 51

$ 31

[1]	Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.

IM Flash Agreements (Details) $ in Millions	1 Months Ended	3 Months Ended
IM Flash Agreements (Details) $ in Millions	Apr. 06, 2012 USD ($) decimal	May 31, 2012 USD ($)	Mar. 01, 2012 USD ($)	Sep. 01, 2011 USD ($)
Long-term Debt, by Current and Noncurrent [Abstract]
Long-term Debt, Gross			$ 2,315	$ 2,001
Acquisition [Member] \| IM Flash Assets Acquired by the Parent [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract]
Distributions to Intel for the acquisition of its interest in IMFS and the assets of IMFT located at our Virginia wafer fabrication facility	$ 600
Acquisition [Member] \| IM Flash Singapore LLP [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract]
Minority Interest Decrease From Purchase Of Interest, Ownership Percentage (in hundredths)	18.00%
New Contract [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract]
Intel's deposit to be applied to future purcahses of NAND Flash	$ 300
Cancellation of Contract [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract]
Percentage of a facility leased to IMFT terminated (in hundredths)	50.00%
Cancellation of Contract [Member] \| Scenario, Forecast [Member]
Other Operating Income Expense Net [Abstract]
Loss recognized from terminating IMFT's lease to use a portion of our Virginia fabrication facility		$ 17
Issuance of Debt [Member] \| Senior Unsecured Promissory Note with Intel [Member]
Long-term Debt, by Current and Noncurrent [Abstract]
Long-term Debt, Gross	$ 65
Number of approximately equal quarterly installment payments \| decimal	8
Variable rate on loan from Intel at Libor less points but not to be less than zero (in hundredths)	(0.50%)
Minimum interest rate applied to loan	0.00%

Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Segment Information (Details) - USD ($) $ in Millions	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Segment Reporting Information [Line Items]
Net sales	$ 2,009	$ 2,257	$ 4,099	$ 4,509
Operating income (loss)	(205)	179	(287)	569
NSG [Member]
Segment Reporting Information [Line Items]
Net sales	734	552	1,417	1,054
Operating income (loss)	97	72	191	129
DSG [Member]
Segment Reporting Information [Line Items]
Net sales	608	841	1,264	1,744
Operating income (loss)	(167)	51	(306)	276
WSG [Member]
Segment Reporting Information [Line Items]
Net sales	307	510	680	1,021
Operating income (loss)	(129)	10	(187)	66
ESG [Member]
Segment Reporting Information [Line Items]
Net sales	242	252	504	518
Operating income (loss)	15	58	53	136
All Other [Member]
Segment Reporting Information [Line Items]
Net sales	118	102	234	172
Operating income (loss)	$ (21)	$ (12)	$ (38)	$ (38)