Retirement Plans (Retirement Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Defined Benefit Plan Disclosure [Line Items]
Total retirement expense	$ 16	$ 22	$ 74
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(85)	(73)	(54)
Supplementary Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	24	26	30
Defined Contribution Qualified Plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	76	68	96
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 1	$ 1	$ 2