Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended	3 Months Ended
	May 30, 2013	May 31, 2012	May 30, 2013	May 31, 2012	May 30, 2013 Tax Benefit Resulting From The Sale of Non-US Assets [Member]	Feb. 28, 2013 Tax Benefits Resulting From Favorable Resolution Of Prior Period Tax Positions [Member]	May 31, 2012 Tax Benefits Resulting From Favorable Resolution Of Prior Period Tax Positions [Member]	May 31, 2012 Tax Benefits Resulting From Favorable Resolution Of Prior Period Tax Positions [Member]	Feb. 28, 2013 Tax Benefits Resulting From Favorable Change in Tax Law [Member]
Current [Abstract]
Income tax (provision) benefit	$ 1	$ 38	$ (3)	$ 31	$ 8	$ 10	$ 42	$ 56	$ 9