Equity Plans - Stock-based compensation expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	May 29, 2014	May 30, 2013	May 29, 2014	May 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 32	$ 21	$ 81	$ 61
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Total unrecognized compensation costs, net of estimated forfeitures, related to non-vested awards expected to be recognized	292		292
Weighted average period that unrecognized compensation costs is expected to be recognized (in years)			1 year 6 months
Stock options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	16	14	44	41
Restricted stock awards [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	16	7	37	20
Cost of Goods Sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	12	7	27	20
Selling, General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	12	10	36	28
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	7	4	17	13
Other Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 1	$ 0	$ 1	$ 0