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Accounting for Share-Based Payments (Details Textual) - USD ($)
12 Months Ended
Jan. 29, 2016
Jan. 30, 2015
Jan. 31, 2014
Accounting for Share-Based Payments      
Share-based payment expense $ 117,000,000 $ 119,000,000 $ 100,000,000
Tax benefit related to share-based payment expense 38,000,000 39,000,000 32,000,000
Unrecognized share-based payment expense 165,000,000    
Unrecognized share-based payment expense to be recognized in 2016 97,000,000    
Unrecognized share-based payment expense to be recognized in 2017 49,000,000    
Unrecognized share-based payment expense to be recognized after 2017 $ 19,000,000    
Weighted-average recognition period 1 year 10 months 24 days    
Stock Incentive Plans [Member]      
Accounting for Share-Based Payments      
Shares authorized for grant under all plans 199,000,000    
Shares authorized for grant under active plans 80,000,000    
Remaining shares available for grant under active plans 36,100,000    
Employee Stock Option [Member]      
Accounting for Share-Based Payments      
Requisite service period 3 years    
Percentage of each grant vesting each year 33.33%    
Total intrinsic value of options exercised $ 68,000,000 62,000,000 48,000,000
Employee Stock Option [Member] | Minimum [Member]      
Accounting for Share-Based Payments      
Contractual term 7 years    
Employee Stock Option [Member] | Maximum [Member]      
Accounting for Share-Based Payments      
Contractual term 10 years    
Restricted Stock Awards [Member]      
Accounting for Share-Based Payments      
Requisite service period 3 years    
Awards granted 997,000    
Total fair value of awards vested $ 144,000,000 $ 114,000,000 $ 98,000,000
Awards vested 1,959,000    
Weighted-average grant-date fair value of awards granted in the period $ 69.44 $ 53.13 $ 41.78
Deferred Stock Units [Member]      
Accounting for Share-Based Payments      
Awards granted 22,000    
Total fair value of awards vested $ 1,500,000 $ 1,500,000 $ 1,500,000
Deferred stock units released 100,000    
Vested outstanding awards 400,000    
Weighted-average grant-date fair value of awards granted in the period $ 69.98 $ 47.08 $ 42.11
Annual award amount $ 150,000 $ 150,000 $ 150,000
Performance Share Units [Member]      
Accounting for Share-Based Payments      
Requisite service period 3 years    
Performance Share Units [Member] | Minimum [Member]      
Accounting for Share-Based Payments      
Percentage of awards that could vest at end of vesting period 50.00%    
Performance Share Units [Member] | Maximum [Member]      
Accounting for Share-Based Payments      
Percentage of awards that could vest at end of vesting period 150.00%    
Performance Share Units - Equity Awards [Member]      
Accounting for Share-Based Payments      
Awards granted [1] 257,000    
Total fair value of awards vested $ 25,000,000    
Awards vested 327,000 [1] 0 0
Weighted-average grant-date fair value of awards granted in the period $ 71.52 $ 47.05 $ 36.48
Number of units that could vest 1,200,000    
Performance Share Units - Liability Awards [Member]      
Accounting for Share-Based Payments      
Awards granted 0 0  
Awards vested 0 0 0
Weighted-average grant-date fair value of awards granted in the period     $ 36.48
Number of units that could vest 200,000    
Total liability for performance share units $ 13,000,000    
Restricted Stock Units [Member]      
Accounting for Share-Based Payments      
Requisite service period 3 years    
Awards granted 104,000    
Total fair value of awards vested $ 3,500,000 $ 1,600,000 $ 3,400,000
Awards vested 49,000    
Weighted-average grant-date fair value of awards granted in the period $ 66.24 $ 50.48 $ 41.53
Employee Stock Purchase Plan [Member]      
Accounting for Share-Based Payments      
Shares authorized for grant under active plans 70,000,000    
Remaining shares available for grant under active plans 24,300,000    
Purchase price of shares (percentage) 85.00%    
Share-based payment expense (percentage) 15.00%    
Shares issued 1,300,000    
Accounting for Share-Based Payments      
Share-based payment expense $ 14,000,000    
[1] The number of units presented is based on achieving the targeted performance goals as defined in the performance share unit agreements. As of January 29, 2016, the maximum number of nonvested units that could vest under the provisions of the agreements was 1.2 million for the RONCAA awards.