Taxes (Reason For Difference Between Expected Tax Computed And Income Tax Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]
Expected tax	$ (1,006)	$ 153	$ 300
State and local income taxes, net of federal income taxes	(140)	13	59
CARES Act carryback benefit	(205)	0	0
Goodwill impact	492	0	0
Federal tax reform deferred tax remeasurement	0	0	(17)
Tax impact of equity awards	8	1	0
Federal tax credits	(5)	(3)	(16)
Change in valuation allowance	24	5	10
Other	(14)	(5)	(14)
Income tax expense (benefit), total	$ (846)	$ 164	$ 322