Income Taxes (Reconciliation Between Statutory And Effective Rates) (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
Income Tax Disclosure [Abstract]
Federal taxes at statutory rate										$ 1,414	$ 1,267	$ 1,262
Federal taxes at statutory rate (percent)										35.00%	35.00%	35.00%
State taxes, net										$ 116	$ 91	$ 85
State taxes, net (percent)										2.90%	2.50%	2.30%
Foreign taxes, net										$ (64)	$ (21)	$ (125)
Foreign taxes, net (percent)										(1.60%)	(0.60%)	(3.50%)
Effective income tax rate reconciliation, deduction, employee stock ownership plan dividend, amount										$ (104)	$ (17)	$ (66)
Effective income tax rate reconciliation, deduction, employee stock ownership plan dividend, percent										(2.60%)	(0.50%)	(1.80%)
Other										$ (37)	$ (77)	$ 39
Other (percent)										(0.90%)	(2.10%)	1.20%
Total provision for income taxes	$ 259		$ 288	$ 291	$ 286	$ 286	$ 275	$ 487	$ 396	$ 1,325	$ 1,243	$ 1,195
Total (percent)										32.80%	34.30%	33.20%

[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.