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Share-based Compensation (Share-Based Compensation Expense) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Share-based Compensation Expense $ 97 $ 90 $ 85
Costs of Goods Sold, Buying and Occupancy [Member]      
Share-based Compensation Expense 27 24 22
General, Administrative and Store Operating Expenses [Member]      
Share-based Compensation Expense $ 70 $ 66 $ 63