Retirement Plans (Retirement Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Total retirement expense	$ 67	$ 12	$ 19
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(4)	(4)	(3)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(42)	(85)	(73)
Supplementary Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	26	24	26
401(k) Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	86	76	68
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 1	$ 1	$ 1