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Earnings Per Share And Shareholders' Equity (Dividends) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May 05, 2018
Apr. 29, 2017
Earnings Per Share And Shareholders' Equity [Abstract]    
Ordinary Dividends $ 0.60 $ 0.60
Payments of Dividends $ 168 $ 172