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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. 01, 2020
USD ($)
$ / shares
shares
Share-based Payment Arrangement [Abstract]  
Shares, Options outstanding expected to vest (in shares) | shares 11,908
Shares, Options exercisable (in shares) | shares 32,276
Shares, Total outstanding options vested and expected to vest (in shares) | shares 44,184
Aggregate Intrinsic Value, Options outstanding expected to vest | $ $ 93,671
Aggregate Intrinsic Value, Options exercisable | $ 903,847
Aggregate Intrinsic Value, Total outstanding options vested and expected to vest | $ $ 997,518
Weighted Average Remaining Contract Life, Options outstanding expected to vest, years 8 years 9 months 18 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
WAEP, Options outstanding expected to vest (in dollars per share) | $ / shares $ 51.17
WAEP, Options exercisable (in dollars per share) | $ / shares 31.04
WAEP, Total outstanding options vested and expected to vest (in dollars per share) | $ / shares $ 36.46