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Share-Based Compensation (Narrative) (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant	1,837		1,837
Unrecognized compensation cost	$ 44		$ 44
Fair value of options vested			4	$ 4
Tax benefit realized from options exercised	0	$ 1	0	2
Proceeds from exercise of stock options	1	$ 6	3	10
Restricted Stock and Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of awards			6	$ 22
Dividends			$ 0
Restricted Stock and Units [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Restricted Stock and Units [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Nonvested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 5		$ 5
Unrecognized compensation cost related to nonvested stock options, weighted-average period expected to be recognized			1 year 7 months 6 days
2013 ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average expected award life (in years)			1 year	1 year