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Income Taxes - Summary of Cash Payments for Income Taxes (Details) $ in Millions | 12 Months Ended
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Jan. 31, 2026 USD ($)
Effective Income Tax Rate Reconciliation [Line Items] |
U.S. federal tax | $ 869
State and local taxes | 330
Foreign taxes: |
Total income taxes paid | 1,471
Canada |
Foreign taxes: |
Foreign taxes | 195
Other foreign jurisdictions |
Foreign taxes: |
Foreign taxes | $ 77

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