Earnings Per Share And Shareholders' Equity (Dividends) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Nov. 03, 2018	Oct. 28, 2017
Earnings Per Share And Shareholders' Equity [Abstract]
Ordinary Dividends	$ 0.60	$ 0.60	$ 0.60	$ 0.6	$ 0.60	$ 0.60	$ 1.80	$ 1.80
Payments of Dividends	$ 165	$ 167	$ 168	$ 172	$ 172	$ 172	$ 500	$ 516