Shareholders' Equity (Summary Of Share Repurchase Activity) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Share Repurchase Program [Line Items]
Capacity beginning balance	$ 893	$ 414	$ 529
Shares repurchased (in shares)	4.1	14.3	4.6
Shares repurchased, average price per share (in dollars per share)	$ 45	$ 49	$ 45
Capacity ending balance	$ 707	$ 893	$ 414
2017 Program [Member]
Share Repurchase Program [Line Items]
Share repurchase authorization			500
Expiration of unused capacity		(319)
2015 Program [Member]
Share Repurchase Program [Line Items]
Expiration of unused capacity			(409)
2018 Program [Member]
Share Repurchase Program [Line Items]
Share repurchase authorization		1,500
Accumulated deficit [Member]
Share Repurchase Program [Line Items]
Shares repurchased (amount)	$ (186)	$ (702)	$ (206)