Shareholders' Equity (Summary Of Share Repurchase Program Activity) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Share Repurchase Program [Line Items]
Capacity beginning balance	$ 707	$ 707	$ 893
Shares repurchased (in shares)	0.0	0.0	4.1
Shares repurchased, average price per share (in dollars per share)	$ 0	$ 0	$ 45
Capacity ending balance	$ 707	$ 707	$ 707
Accumulated deficit [Member]
Share Repurchase Program [Line Items]
Shares repurchased (amount)	$ 0	$ 0	$ (186)