Income Taxes Income Taxes - Valuation Allowances (Details 5) - USD ($) $ in Millions	12 Months Ended
	Aug. 30, 2018	Aug. 31, 2017
Valuation Allowance [Line Items]
Valuation allowance	$ 228	$ 2,321
Decrease in operating loss carryforward DTA from changes in expected utilization (offset by change in VA)	119
U.S.
Valuation Allowance [Line Items]
Valuation allowance	28	1,520
Japan
Valuation Allowance [Line Items]
Valuation allowance	192	627
Other foreign subsidiaries member
Valuation Allowance [Line Items]
Valuation allowance	$ 8	$ 172