Retirement Plans -Retirement Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2025	Feb. 03, 2024	Jan. 28, 2023
Defined Benefit Plan Disclosure [Line Items]
Total retirement expense	$ 74	$ 75	$ 67
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(4)	(3)	(4)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(40)	(38)	(42)
Supplementary Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	28	30	26
401(k) Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	89	85	86
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 1	$ 1	$ 1