Pension (Net Benefit Expense (Income)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Retirement Plans and Other Benefits [Abstract]
Service cost	$ 4	$ 3	$ 12	$ 10
Interest cost	4	5	13	16
Expected return on plan assets	(9)	(9)	(26)	(28)
Amortization of net loss (gain)	3	3	8	9
Net benefit expense (income)	$ 2	$ 2	$ 7	$ 7