Taxes (Income Tax Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Taxes Payable Current And Noncurrent [Abstract]
Current federal income tax expense (benefit)	$ 369	$ (520)	$ 137
Deferred federal income tax expense (benefit)	(21)	(179)	4
Federal income tax expense (benefit), total	348	(699)	141
Current state and local income tax expense (benefit)	48	1	33
Deferred state and local income tax expense (benefit)	40	(148)	(10)
State and local income tax expense (benefit), total	88	(147)	23
Current income tax expense (benefit), total	417	(519)	170
Deferred income taxes	19	(327)	(6)
Income tax expense (benefit), total	$ 436	$ (846)	$ 164