Debt (Carrying Value and Estimated Fair Value of Company's Long Term Debt) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 01, 2013	Sep. 02, 2012
Debt Instrument [Line Items]
Total long-term debt, carrying value	$ 4,998	$ 1,382
Total long-term debt, fair value	5,082	1,663
Less current portion, carrying value	0	1
Less current portion, fair value	0	1
Long-term debt, excluding current portion, carrying value	4,998	1,381
Long-term debt, excluding current portion, fair value	5,082	1,662
5.5% Senior Notes due March 2017
Debt Instrument [Line Items]
Debt instrument, principal due date	2017-03
Debt instrument, stated interest rate (percent)	5.50%
Total long-term debt, carrying value	1,098	1,097
Total long-term debt, fair value	1,248	1,325
0.65% Senior Notes due December 2015
Debt Instrument [Line Items]
Debt instrument, principal due date	2015-12
Debt instrument, stated interest rate (percent)	0.65%
Total long-term debt, carrying value	1,199	0
Total long-term debt, fair value	1,200	0
Senior Notes One Point One Two Five Percent Due December Fifteen Twenty Seventeen [Member]
Debt Instrument [Line Items]
Debt instrument, principal due date	2017-12
Debt instrument, stated interest rate (percent)	1.125%
Total long-term debt, carrying value	1,100	0
Total long-term debt, fair value	1,065	0
Senior Notes One Point Seven Percent Due December Twenty Nineteen [Member]
Debt Instrument [Line Items]
Debt instrument, principal due date	2019-12
Debt instrument, stated interest rate (percent)	1.70%
Total long-term debt, carrying value	1,198	0
Total long-term debt, fair value	1,157	0
Other Long Term Debt
Debt Instrument [Line Items]
Total long-term debt, carrying value	403	285
Total long-term debt, fair value	$ 412	$ 338
Senior Notes One Point Seven Percent Due December Twenty Nineteen [Member]
Debt Instrument [Line Items]
Debt Instrument, Frequency of Periodic Payment	semi-annually on June 15 and December 15
Senior Notes One Point One Two Five Percent Due December Fifteen Twenty Seventeen [Member]
Debt Instrument [Line Items]
Debt Instrument, Frequency of Periodic Payment	semi-annually on June 15 and December 15