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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 04, 2014
Nov. 28, 2013
Cash flows from operating activities    
Net income $ 1,002us-gaap_ProfitLoss $ 381us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation expense and amortization of intangible assets 643mu_DepreciationandAmortizationofIntangibleAssets 491mu_DepreciationandAmortizationofIntangibleAssets
Amortization of debt discount and other costs 38us-gaap_AmortizationOfFinancingCostsAndDiscounts 50us-gaap_AmortizationOfFinancingCostsAndDiscounts
Stock-based compensation 35us-gaap_ShareBasedCompensation 22us-gaap_ShareBasedCompensation
Loss on restructure of debt 30us-gaap_GainsLossesOnExtinguishmentOfDebt 86us-gaap_GainsLossesOnExtinguishmentOfDebt
Equity in net income of equity method investees (124)us-gaap_IncomeLossFromEquityMethodInvestments (86)us-gaap_IncomeLossFromEquityMethodInvestments
Change in operating assets and liabilities:    
Receivables 252us-gaap_IncreaseDecreaseInReceivables (494)us-gaap_IncreaseDecreaseInReceivables
Inventories 7us-gaap_IncreaseDecreaseInInventories 190us-gaap_IncreaseDecreaseInInventories
Accounts payable and accrued expenses (321)us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities 620us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
Other noncurrent liabilities (12)us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities 186us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities
Deferred income taxes, net 126us-gaap_IncreaseDecreaseInDeferredIncomeTaxes 59us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Other (84)us-gaap_OtherOperatingActivitiesCashFlowStatement 2us-gaap_OtherOperatingActivitiesCashFlowStatement
Net cash provided by operating activities 1,592us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations 1,507us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities    
Expenditures for property, plant and equipment (669)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (669)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of available-for-sale securities (668)us-gaap_PaymentsToAcquireAvailableForSaleSecurities (196)us-gaap_PaymentsToAcquireAvailableForSaleSecurities
Payments to settle hedging activities (66)mu_PaymentsForDerivativeAndHedgeInvestingActivities (4)mu_PaymentsForDerivativeAndHedgeInvestingActivities
Proceeds from sales and maturities of available-for-sale securities 330us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities 162us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities
Decrease in restricted cash 0us-gaap_IncreaseDecreaseInRestrictedCash 556us-gaap_IncreaseDecreaseInRestrictedCash
Other (3)us-gaap_PaymentsForProceedsFromOtherInvestingActivities 29us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash provided by (used for) investing activities (1,076)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations (122)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities    
Repayments of debt (786)us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities (737)us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities
Cash paid to purchase stock under equity plans (26)us-gaap_PaymentsForRepurchaseOfCommonStock (42)us-gaap_PaymentsForRepurchaseOfCommonStock
Contributions from noncontrolling interests 20us-gaap_ProceedsFromMinorityShareholders 49us-gaap_ProceedsFromMinorityShareholders
Proceeds from issuance of stock under equity plans 18us-gaap_ProceedsFromIssuanceOrSaleOfEquity 144us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Other (32)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities (6)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Net cash provided by (used for) financing activities (806)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations (592)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Effect of changes in currency exchange rates on cash and equivalents (96)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations (19)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations
Net increase (decrease) in cash and equivalents (386)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 774us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and equivalents at beginning of period 4,150us-gaap_CashAndCashEquivalentsAtCarryingValue 2,880us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and equivalents at end of period 3,764us-gaap_CashAndCashEquivalentsAtCarryingValue 3,654us-gaap_CashAndCashEquivalentsAtCarryingValue
Noncash investing and financing activities:    
Exchange of convertible notes $ 0mu_DebtExchangeConvertibleDebtFaceAmount $ 756mu_DebtExchangeConvertibleDebtFaceAmount