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Schedule Of Stock Options Outstanding Expected To Vest And Stock Options Outstanding Exercisable (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Feb. 02, 2019
USD ($)
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Shares, Options outstanding expected to vest (in shares) | shares 13,672
Shares, Options exercisable (in shares) | shares 34,344
Shares, Total outstanding options vested and expected to vest (in shares) | shares 48,016
Aggregate Intrinsic Value, Options outstanding expected to vest | $ $ 98,458
Aggregate Intrinsic Value, Options exercisable | $ 754,018
Aggregate Intrinsic Value, Total outstanding options vested and expected to vest | $ $ 852,476
Weighted Average Remaining Contract Life, Options outstanding expected to vest, years 8 years 9 months 22 days
Weighted Average Remaining Contract Life, Options exercisable, years 5 years
Weighted Average Remaining Contract Life, Total outstanding options vested and expected to vest, years 6 years 1 month 7 days
WAEP, Options outstanding expected to vest (in dollars per share) | $ / shares $ 43.73
WAEP, Options exercisable (in dollars per share) | $ / shares 26.95
WAEP, Total outstanding options vested and expected to vest (in dollars per share) | $ / shares $ 31.72