Income Taxes (Schedule of Foreign And Domestic Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended							4 Months Ended		12 Months Ended
	May 07, 2017	[1]	Feb. 12, 2017	Nov. 20, 2016	May 08, 2016	Feb. 14, 2016	Nov. 22, 2015	Sep. 03, 2017	Aug. 28, 2016	Sep. 03, 2017	Aug. 28, 2016	Aug. 30, 2015
Federal [Abstract]
Current										$ 802	$ 468	$ 766
Deferred										7	233	(12)
Total federal										809	701	754
State [Abstract]
Current										161	108	131
Deferred										8	21	1
Total state										169	129	132
Foreign [Abstract]
Current										389	398	399
Deferred										(42)	15	(90)
Total foreign										347	413	309
Total provision for income taxes	$ 259		$ 288	$ 291	$ 286	$ 286	$ 275	$ 487	$ 396	$ 1,325	$ 1,243	$ 1,195

[1] Includes an $82 tax benefit recorded in the third quarter in connection with the special cash dividend paid to employees through the Company's 401(k) Retirement Plan.