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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. 28, 2017
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options Outstanding, Number of Options | shares 8,473,659
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 2 months 12 days
Options Outstanding, Weighted-Average Exercise Price $ 49.00
Options Exercisable, Number of Options | shares 5,270,193
Options Exercisable, Weighted-Average Exercise Price $ 50.77
Vested or expected to vest, Number of Options | shares 7,950,844
Vested or expected to vest, Weighted-Average Remaining Contractual Life (in years) 7 years 29 days
Vested or expected to vest, Weighted-Average Exercise Price $ 49.37
Range of Exercise Prices $24.00 - $25.39 [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Range of Exercise Prices, Lower 24.00
Range of Exercise Prices, Upper $ 25.39
Options Outstanding, Number of Options | shares 924,715
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 8 years 8 months 27 days
Options Outstanding, Weighted-Average Exercise Price $ 25.13
Options Exercisable, Number of Options | shares 170,215
Options Exercisable, Weighted-Average Exercise Price $ 24.00
Range of Exercise Prices $25.88 - $39.42 [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Range of Exercise Prices, Lower 25.88
Range of Exercise Prices, Upper $ 39.42
Options Outstanding, Number of Options | shares 1,449,833
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 8 years 1 month 17 days
Options Outstanding, Weighted-Average Exercise Price $ 32.48
Options Exercisable, Number of Options | shares 760,083
Options Exercisable, Weighted-Average Exercise Price $ 31.09
Range of Exercise Prices $44.52 - $46.50 [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Range of Exercise Prices, Lower 44.52
Range of Exercise Prices, Upper $ 46.50
Options Outstanding, Number of Options | shares 3,885,426
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 6 years 6 months 26 days
Options Outstanding, Weighted-Average Exercise Price $ 46.04
Options Exercisable, Number of Options | shares 2,976,826
Options Exercisable, Weighted-Average Exercise Price $ 46.50
Range of Exercise Prices $56.27 - $69.64 [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Range of Exercise Prices, Lower 56.27
Range of Exercise Prices, Upper $ 69.64
Options Outstanding, Number of Options | shares 637,415
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 1 month 24 days
Options Outstanding, Weighted-Average Exercise Price $ 61.60
Options Exercisable, Number of Options | shares 221,710
Options Exercisable, Weighted-Average Exercise Price $ 61.78
Range of Exercise Prices $75.43 - $101.84 [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Range of Exercise Prices, Lower 75.43
Range of Exercise Prices, Upper $ 101.84
Options Outstanding, Number of Options | shares 1,576,270
Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 11 days
Options Outstanding, Weighted-Average Exercise Price $ 80.38
Options Exercisable, Number of Options | shares 1,141,359
Options Exercisable, Weighted-Average Exercise Price $ 76.89