Taxes (Income Tax Expense) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Taxes Payable [Abstract]
Current federal income tax expense (benefit)	$ 697	$ 519	$ 217
Deferred federal income tax expense (benefit)	2	144	234
Federal income tax expense (benefit), total	699	663	451
Current state and local income tax expense (benefit)	70	43	12
Deferred state and local income tax expense (benefit)	(2)	6	10
State and local income tax expense (benefit), total	68	49	22
Current income tax expense (benefit), total	767	562	229
Deferred income tax expense, total	0	150	244
Income tax expense (benefit), total	$ 767	$ 712	$ 473