Pension (Net Benefit Expense (Income)) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Retirement Plans and Other Benefits [Abstract]
Service cost	$ 4	$ 4
Interest cost	$ 5	$ 4
Interest cost, extensible enumeration	Other (expense) / income, net	Other (expense) / income, net
Expected return on plan assets	$ (8)	$ (9)
Expected return on plan assets, extensible enumeration	Other (expense) / income, net	Other (expense) / income, net
Amortization of net loss	$ 2	$ 3
Amortization of net loss, extensible enumeration	Other (expense) / income, net	Other (expense) / income, net
Net benefit expense (income)	$ 3	$ 2