Stock-Based Compensation (Summary Of Stock-Based Compensation Expense) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense, before income tax benefit		$ 18	$ 17	$ 64	$ 50
Income tax benefit		(5)	(6)	(17)	(19)
Total stock-based compensation expense, net of income tax benefit		13	11	47	31
RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense, before income tax benefit		12	13	41	42
Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense, before income tax benefit		5	4	19	8
Other [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense, before income tax benefit	[1]	$ 1	$ 0	$ 4	$ 0

[1] Other stock-based compensation expense includes PSUs, ESPP and nonemployee director stock awards.