Micron share of IMFS cost and supply

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Reasearch and development expenses reduced by reimburesments for product design and other NAND Flash research and development costs equally shared with third party.

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The term of the licensing agreement with Photronics to produce photomasks for leading-edge and advanced next generation semiconductors.

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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Cash received from licensees for license fees during the current period.

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Consolidated Variable Interest Entities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			12 Months Ended			3 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended
	Feb. 28, 2013	Mar. 01, 2012	Feb. 28, 2013	Mar. 01, 2012	Aug. 30, 2012	Feb. 28, 2013 Intel [Member] NAND Flash [Member]	Mar. 01, 2012 Intel [Member] NAND Flash [Member]	Feb. 28, 2013 Intel [Member] NAND Flash [Member]	Mar. 01, 2012 Intel [Member] NAND Flash [Member]	Aug. 30, 2012 Intel [Member] NAND Flash [Member]	Aug. 31, 2006 Nonsoftware License Arrangement with Photronics [Member]	Feb. 28, 2013 Nonsoftware License Arrangement with Photronics [Member]	Aug. 30, 2012 Nonsoftware License Arrangement with Photronics [Member]	Feb. 28, 2013 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash Technologies, LLC [Member]	Feb. 28, 2013 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash Technologies, LLC [Member]	Mar. 01, 2012 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash Singapore LLP [Member]	Sep. 01, 2011 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash Singapore LLP [Member]	Mar. 01, 2012 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash [Member]	Mar. 01, 2012 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash [Member]	Dec. 01, 2011 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] MP Mask Technology Center, LLC [Member]	Feb. 28, 2013 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)														51.00%	51.00%						50.01%
R and D expenses reduced by reimbursements from Intel						$ 34	$ 20	$ 66	$ 42
Micron share of IMFS cost and supply																78.00%	57.00%
Net sales	2,078	2,009	3,912	4,099		160	255	308	516
Trade Receivables	998		998		933	102		102		103
Distributions to, and contributions from, shareholders [Abstract]
Distributions to Micron from Consolidated VIE's														0	0			67	153
Distributions to noncontrolling interests from consolidated VIE's			0	147										0	0			64	147
Micron contributions to consolidated VIE's														10	10			0	103	8
Cash received from noncontrolling interests			10	138										10	10			0	131	7
Variable interest entity, ownership percentage by (Photronics) noncontrolling owners (in hundredths)																					49.99%
Proceeds for entering into license agreement with Photronics											72
Term of license agreement with Photronics (in years)											10 years
Deferred income and other noncurrent liabilities related to license agreement with Photronics												$ 23	$ 26