Equity and Comprehensive Income - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended			6 Months Ended
	Feb. 16, 2014	Feb. 17, 2013	Nov. 25, 2012	Feb. 16, 2014	Feb. 17, 2013
Equity [Abstract]
Dividends declared and paid	$ 0.31	$ 0.275
Shares repurchased			357,000
Average Price per Share			$ 96.41
Total Cost			$ 34		$ 34
Stock repurchase authorization amount remaining				$ 3,055