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Derivative Instruments - Gain (Loss) on Derivatives (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 30, 2018
Aug. 31, 2017
Sep. 01, 2016
Designated hedging instruments | Cash flow hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Net gains (losses) recognized in other comprehensive income, effective portion $ (17) $ 15 $ 10
Designated hedging instruments | Fair value hedges      
Gain (Loss) on Fair Value Hedges Recognized in Earnings [Abstract]      
Gain (loss) on remeasurement of hedged assets and liabilities (25)    
Gain (loss) on derivatives designated as hedging instruments 25    
Amortization of amounts excluded from hedge effectiveness (32)    
Gain (loss) on fair value hedges recognized in earnings (32)    
Currency forward | Not designated hedging instruments      
Gain (Loss) on Fair Value Hedges Recognized in Earnings [Abstract]      
Net gains (losses) for derivative instruments without hedge accounting designation (38) $ (45) $ 185
Convertible notes settlement obligation | Not designated hedging instruments      
Gain (Loss) on Fair Value Hedges Recognized in Earnings [Abstract]      
Net gains (losses) for derivative instruments without hedge accounting designation $ (124)