Stock-Based Compensation (Stock-Based Compensation Costs) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation(1) $ 33 [1] $ 28 [1] $ 50 [1]
Total income tax benefit recognized for stock-based compensation arrangements 0 0 19
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation(1) 20 14 33
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock-based compensation(1) 13 14 17
Management Transition and Home Office and Stores Stock-Based Compensation [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Excluded stock-based compensation recorded in restructuring and management transition $ 3 $ 18 $ 11
[1] Excludes $3 million, $18 million and $11 million for 2014, 2013 and 2012, respectively, of stock-based compensation costs reported in restructuring and management transition charges (Note 15).