Repurchase of Common Stock (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 04, 2019	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Stock Repurchases [Line Items]
Total cost of shares repurchased		$ 371	$ 369	$ 707	$ 1,143
Number of shares repurchased		5.5	4.8	10.3	15.4
February 2019 Share Repurchase Program [Member]
Stock Repurchases [Line Items]
Stock Repurchase Program, Authorized Amount		$ 3,000		$ 3,000
Total cost of shares repurchased	$ 108
Number of shares repurchased	1.4
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 2,300		$ 2,300