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Equity - Consolidated VIE assets and liabilities (Details) (USD $)
In Millions, unless otherwise specified
Mar. 05, 2015
Aug. 28, 2014
Feb. 27, 2014
Aug. 29, 2013
Assets        
Cash and equivalents $ 3,547us-gaap_CashAndCashEquivalentsAtCarryingValue $ 4,150us-gaap_CashAndCashEquivalentsAtCarryingValue $ 4,305us-gaap_CashAndCashEquivalentsAtCarryingValue $ 2,880us-gaap_CashAndCashEquivalentsAtCarryingValue
Receivables 2,761us-gaap_ReceivablesNetCurrent 2,906us-gaap_ReceivablesNetCurrent    
Inventories 2,377us-gaap_InventoryNet 2,455us-gaap_InventoryNet    
Other current assets 301us-gaap_OtherAssetsCurrent 350us-gaap_OtherAssetsCurrent    
Total current assets 9,918us-gaap_AssetsCurrent 10,245us-gaap_AssetsCurrent    
Property, plant and equipment, net 9,233us-gaap_PropertyPlantAndEquipmentNet 8,682us-gaap_PropertyPlantAndEquipmentNet    
Other noncurrent assets 468us-gaap_OtherAssetsNoncurrent 497us-gaap_OtherAssetsNoncurrent    
Total assets 23,818us-gaap_Assets 22,498us-gaap_Assets    
Liabilities        
Accounts payable and accrued expenses 2,662us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent 2,864us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent    
Deferred income 259us-gaap_DeferredRevenueCurrent 309us-gaap_DeferredRevenueCurrent    
Current debt 1,199us-gaap_DebtCurrent 1,638us-gaap_DebtCurrent    
Total current liabilities 4,120us-gaap_LiabilitiesCurrent 4,811us-gaap_LiabilitiesCurrent    
Long-term debt 5,519us-gaap_LongTermDebtAndCapitalLeaseObligations 4,955us-gaap_LongTermDebtAndCapitalLeaseObligations    
Other noncurrent liabilities 887us-gaap_OtherLiabilitiesNoncurrent 1,102us-gaap_OtherLiabilitiesNoncurrent    
Total liabilities 10,526us-gaap_Liabilities 10,868us-gaap_Liabilities    
Variable Interest Entity, Primary Beneficiary [Member] | IM Flash Technologies, LLC [Member]        
Assets        
Cash and equivalents 115us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 84us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Receivables 72us-gaap_ReceivablesNetCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 73us-gaap_ReceivablesNetCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Inventories 51us-gaap_InventoryNet
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 48us-gaap_InventoryNet
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Other current assets 5us-gaap_OtherAssetsCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 5us-gaap_OtherAssetsCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Total current assets 243us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 210us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Property, plant and equipment, net 1,506us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 1,545us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Other noncurrent assets 42us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 47us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Total assets 1,791us-gaap_Assets
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 1,802us-gaap_Assets
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Liabilities        
Accounts payable and accrued expenses 102us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 106us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Deferred income 8us-gaap_DeferredRevenueCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 8us-gaap_DeferredRevenueCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Current debt 21us-gaap_DebtCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 21us-gaap_DebtCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Total current liabilities 131us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 135us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Long-term debt 60us-gaap_LongTermDebtAndCapitalLeaseObligations
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 71us-gaap_LongTermDebtAndCapitalLeaseObligations
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Other noncurrent liabilities 105us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 110us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Total liabilities 296us-gaap_Liabilities
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 316us-gaap_Liabilities
/ dei_LegalEntityAxis
= mu_ImFlashTechnologiesLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Variable Interest Entity, Primary Beneficiary [Member] | MP Mask Technology Center, LLC [Member]        
Assets        
Total current assets 21us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 24us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Noncurrent assets (primarily property, plant and equipment) 194us-gaap_AssetsNoncurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 203us-gaap_AssetsNoncurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Liabilities        
Total current liabilities 34us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] 28us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
Noncurrent Liabilities $ 0us-gaap_LiabilitiesNoncurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1] $ 14us-gaap_LiabilitiesNoncurrent
/ dei_LegalEntityAxis
= mu_MpMaskTechnologyCenterLlcMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
[1]    
[1] Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.