Shareholders' Equity (Summary Of Share Repurchase Program Activity) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Share Repurchase Program [Line Items]
Capacity beginning balance	$ 707	$ 893	$ 414
Shares repurchased (in shares)	0.0	4.1	14.3
Shares repurchased, average price per share (in dollars per share)	$ 0	$ 45	$ 49
Capacity ending balance	$ 707	$ 707	$ 893
2018 Program [Member]
Share Repurchase Program [Line Items]
Share repurchase authorization			1,500
2017 Program [Member]
Share Repurchase Program [Line Items]
Expiration of unused capacity			(319)
Accumulated deficit [Member]
Share Repurchase Program [Line Items]
Shares repurchased (amount)	$ 0	$ (186)	$ (702)