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v3.21.1

Stockholders Equity (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 31, 2021 | Jan. 31, 2020
Total stock-based compensation | $ 1,726,893,000,000 | $ (377,187,000,000)
Stock Option [Member] |  |
Total stock-based compensation | 58,183,000,000 | 27,577,000,000
Restricted Stock Program |  |
Total stock-based compensation | 1,668,710,000,000 | (404,764,000,000)
2017 Plan [Member] |  |
Total stock-based compensation | 1,726,893,000,000 | (402,746,000,000)
Stock appreciation rights | 0 | (25,559,000,000)
Total income tax benefit recognized for stock-based compensation arrangements | $ 362,647,000,000 | $ (85,577,000,000)

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