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Stock-Based Compensation - Schedule of Stock Options Outstanding, Vested or Expected to Vest, and Exercisable (Detail) - Stock Options [Member]
12 Months Ended
Jan. 30, 2016
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding, Number of Options | shares 6,535,573
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 4 months 6 days
Options Outstanding, Weighted-Average Exercise Price $ 55.71
Options Exercisable, Number of Options | shares 4,882,840
Options Exercisable, Weighted-Average Exercise Price $ 49.84
Vested or expected to vest, Number of Options | shares 6,336,741
Vested or expected to vest, Weighted-Average Remaining Contractual Life (in years) 7 years 3 months 22 days
Vested or expected to vest, Weighted-Average Exercise Price $ 55.00
Range of Exercise Prices $24.00 - $39.00 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices, Lower 24.00
Range of Exercise Prices, Upper $ 39.00
Options Outstanding, Number of Options | shares 853,342
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 6 years 9 months
Options Outstanding, Weighted-Average Exercise Price $ 28.29
Options Exercisable, Number of Options | shares 794,467
Options Exercisable, Weighted-Average Exercise Price $ 27.85
Range of Exercise Prices $46.50 - $46.50 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices, Lower 46.50
Range of Exercise Prices, Upper $ 46.50
Options Outstanding, Number of Options | shares 2,976,826
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 6 years 9 months
Options Outstanding, Weighted-Average Exercise Price $ 46.50
Options Exercisable, Number of Options | shares 2,976,826
Options Exercisable, Weighted-Average Exercise Price $ 46.50
Range of Exercise Prices $56.27 - $74.03 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices, Lower 56.27
Range of Exercise Prices, Upper $ 74.03
Options Outstanding, Number of Options | shares 938,935
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 8 years 3 months 7 days
Options Outstanding, Weighted-Average Exercise Price $ 61.67
Options Exercisable, Number of Options | shares 83,505
Options Exercisable, Weighted-Average Exercise Price $ 61.70
Range of Exercise Prices $75.43 - $75.43 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices, Lower 75.43
Range of Exercise Prices, Upper $ 75.43
Options Outstanding, Number of Options | shares 1,020,000
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 5 months 1 day
Options Outstanding, Weighted-Average Exercise Price $ 75.43
Options Exercisable, Number of Options | shares 1,008,000
Options Exercisable, Weighted-Average Exercise Price $ 75.43
Range of Exercise Prices $76.80 - $101.84 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices, Lower 76.80
Range of Exercise Prices, Upper $ 101.84
Options Outstanding, Number of Options | shares 746,470
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 9 years 2 months 12 days
Options Outstanding, Weighted-Average Exercise Price $ 89.33
Options Exercisable, Number of Options | shares 20,042
Options Exercisable, Weighted-Average Exercise Price $ 81.60