Equity Plans - Stock-based compensation expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 01, 2011 Years	Dec. 02, 2010
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 20	$ 19
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	154
Weighted average period that unrecognized compensation costs is expected to be recognized (in years)	1.3
Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	12	10
Restricted Stock Awards [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	8	9
Cost of Goods Sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	5	4
Selling, General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	11	11
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 4	$ 4