XML 67 R53.htm IDEA: XBRL DOCUMENT v3.21.1
Summary of Additional Information about Restricted Stock units (Detail) - USD ($)
12 Months Ended
Jan. 31, 2021
Feb. 02, 2020
Feb. 03, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value per share of awards granted $ 59.51 $ 58.18 $ 49.57
Intrinsic value of awards released [1] $ 74,853,000,000 $ 65,403,000,000 $ 34,213,000,000
[1] Intrinsic value for releases is based on the market value on the date of release.