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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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Consolidated Variable Interest Entities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended			12 Months Ended			3 Months Ended			3 Months Ended
	Nov. 29, 2012	Dec. 01, 2011	Aug. 30, 2012	Nov. 29, 2012 Intel [Member] NAND Flash [Member]	Dec. 01, 2011 Intel [Member] NAND Flash [Member]	Aug. 30, 2012 Intel [Member] NAND Flash [Member]	Aug. 31, 2006 Nonsoftware License Arrangement with Photronics [Member]	Nov. 29, 2012 Nonsoftware License Arrangement with Photronics [Member]	Aug. 30, 2012 Nonsoftware License Arrangement with Photronics [Member]	Nov. 29, 2012 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]	Dec. 01, 2011 Variable Interest Entities Which We Have Determined That We Are the Primary Beneficiary [Member] IM Flash Singapore LLP [Member]	Dec. 01, 2011 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]	Nov. 29, 2012 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%					50.01%
R and D expenses reduced by reimbursements from Intel				$ 32	$ 22
Micron share of IMFS cost and supply											78.00%	57.00%
Net sales	1,834	2,090		148	261
Trade Receivables	863		933	87		103
Distributions to, and contributions from, shareholders [Abstract]
Distributions to Micron from Consolidated VIE's										0			86
Distributions to noncontrolling interests from consolidated VIE's	0	83								0			83
Micron contributions to consolidated VIE's										0			103	8
Cash received from noncontrolling interests	0	138								0			131	7
Variable interest entity, ownership percentage by 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								$ 25	$ 26