Taxes (Tax Effects That Give Rise To Significant Portions Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 02, 2019
Deferred tax assets:
Post employment and postretirement benefits	$ 210	$ 208
Accrued liabilities accounted for on a cash basis for tax purposes	165	222
Lease liabilities	864	0
Unrecognized state tax benefits and accrued interest	40	39
State operating loss and credit carryforwards	102	103
Other	110	172
Valuation allowance	(80)	(75)
Total deferred tax assets	1,411	669
Deferred tax liabilities:
Excess of book basis over tax basis of property and equipment	(988)	(987)
Right of use assets	(707)	0
Merchandise inventories	(365)	(398)
Intangible assets	(309)	(308)
Other	(211)	(214)
Total deferred tax liabilities	(2,580)	(1,907)
Net deferred tax liability	$ (1,169)	$ (1,238)