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Stock Repurchase Program (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022
Equity [Abstract] |  |  |
Repurchase and retirement of common shares (in shares) | 4 | 5 | 4
Average repurchase price per share (in dollars per share) | $ 201.54 | $ 198.51 | $ 275.50
Amount remained available for repurchase | $ 4,740 |  |

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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