Taxes (Reason For Difference Between Expected Tax Computed And Income Tax Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
effective income tax rate reconciliation [Line Items]
Expected tax	$ 300	$ 515	$ 341
State and local income taxes, net of federal income tax benefit	59	19	12
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	(17)	(584)	0
Income Tax Effects Allocated Directly to Equity, Employee Stock Options	0	14	0
Federal tax credits	(16)	(16)	(12)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	10	18	9
Other	(14)	(5)	(4)
Income tax expense (benefit), total	$ 322	$ (39)	$ 346