Retirement Plans and Other Benefits (Net Benefit Expense (Income)) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Defined Benefit Plan Disclosure [Line Items]
Net benefit expense (income)	$ (5)	$ 2	$ 1
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	14	20	18
Interest cost	21	27	29
Expected return on plan assets	(37)	(37)	(38)
Amortization of net loss (gain)	12	12	12
Net benefit expense (income)	10	22	21
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of net loss (gain)	(1)	(1)	(1)
Net benefit expense (income)	$ (1)	$ (1)	$ (1)