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Stock Repurchase Program (Details) - USD ($) $ / shares in Units, shares in Millions | 12 Months Ended |
--- | --- | ---
Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021 | Nov. 30, 2022
Equity [Abstract] |  |  |  |
Repurchase and retirement of common shares (in shares) | 5 | 4 | 2 |
Average repurchase price per share (in dollars per share) | $ 198.51 | $ 275.50 | $ 207.61 |
Stock repurchase authorized amount |  |  |  | $ 5,000,000,000
Shares remained available for repurchase (in shares) | 3 |  |  |
Amount remained available for repurchase |  | $ 5,000,000,000 |  |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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