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Equity - NCI and Consolidated VIE disclosures (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Feb. 27, 2014
Feb. 28, 2013
Feb. 27, 2014
Feb. 28, 2013
Aug. 29, 2013
Aug. 31, 2006
Nonsoftware License Arrangement with Photronics [Member]
Feb. 27, 2014
Nonsoftware License Arrangement with Photronics [Member]
Aug. 29, 2013
Nonsoftware License Arrangement with Photronics [Member]
Feb. 27, 2014
Intel [Member]
NAND Flash [Member]
Collaborative Arrangement Process Design and Process Development [Member]
Feb. 28, 2013
Intel [Member]
NAND Flash [Member]
Collaborative Arrangement Process Design and Process Development [Member]
Feb. 27, 2014
Intel [Member]
NAND Flash [Member]
Collaborative Arrangement Process Design and Process Development [Member]
Feb. 28, 2013
Intel [Member]
NAND Flash [Member]
Collaborative Arrangement Process Design and Process Development [Member]
Feb. 27, 2014
IM Flash Technologies, LLC [Member]
Intel [Member]
NAND Flash [Member]
Feb. 28, 2013
IM Flash Technologies, LLC [Member]
Intel [Member]
NAND Flash [Member]
Feb. 27, 2014
IM Flash Technologies, LLC [Member]
Intel [Member]
NAND Flash [Member]
Feb. 28, 2013
IM Flash Technologies, LLC [Member]
Intel [Member]
NAND Flash [Member]
Aug. 29, 2013
IM Flash Technologies, LLC [Member]
Intel [Member]
NAND Flash [Member]
Feb. 27, 2014
Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. [Member]
Aug. 29, 2013
Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. [Member]
Feb. 27, 2014
Other Consolidated Entities [Member]
Aug. 29, 2013
Other Consolidated Entities [Member]
Feb. 27, 2014
Variable Interest Entity, Primary Beneficiary [Member]
IM Flash Technologies, LLC [Member]
Feb. 28, 2013
Variable Interest Entity, Primary Beneficiary [Member]
IM Flash Technologies, LLC [Member]
Feb. 27, 2014
Variable Interest Entity, Primary Beneficiary [Member]
IM Flash Technologies, LLC [Member]
Feb. 28, 2013
Variable Interest Entity, Primary Beneficiary [Member]
IM Flash Technologies, LLC [Member]
Aug. 29, 2013
Variable Interest Entity, Primary Beneficiary [Member]
IM Flash Technologies, LLC [Member]
Feb. 27, 2014
Variable Interest Entity, Primary Beneficiary [Member]
MP Mask Technology Center, LLC [Member]
Aug. 29, 2013
Variable Interest Entity, Primary Beneficiary [Member]
MP Mask Technology Center, LLC [Member]
Variable Interest Entity [Line Items]                                                        
Noncontrolling interests in subsidiaries $ 760   $ 760   $ 864                         $ 21 $ 155 $ 6 $ 16 $ 640 [1]   $ 640 [1]   $ 601 [1] $ 93 [1] $ 92 [1]
Variable interest entity, ownership percentage by noncontrolling owners (in ten thousandths)                                   1.24% 11.11%     49.00% [1]   49.00% [1]   49.00% [1] 49.99% [1] 49.99% [1]
Variable interest entity, ownership percentage (in hundredths)                                           51.00%   51.00%     50.01%  
R&D expenses reduced by reimbursements from third party 344 214 664 438         (35) (34) (64) (66)                                
Net sales 4,107 2,078 8,149 3,912                 104 91 205 190                        
Trade Receivables 2,548   2,548   2,069               62   62   68                      
Distributions to, and contributions from, shareholders [Abstract]                                                        
Distributions to Micron from consolidated VIE's                                           10 0 10 0      
Distributions to noncontrolling interests from consolidated VIE's     19 0                                   10 0 10 0      
Micron contributions to consolidated VIE's                                           0 10 51 10      
Cash received from noncontrolling interests     49 10                                   0 10 49 10      
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             $ 16 $ 19                                        
[1] Entity is a variable interest entity.