Retirement Plans -Retirement Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Defined Benefit Plan Disclosure [Line Items]
Total retirement expense	$ 75	$ 67	$ 12
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(3)	(4)	(4)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	(38)	(42)	(85)
Supplementary Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Total net periodic benefit cost	30	26	24
401(k) Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	85	86	76
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 1	$ 1	$ 1