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v3.25.2

Derivative Instruments - Pre-tax Gains (Losses) Associated with Cash Flow Hedges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) recognized in OCI | $ (2) | $ (20) | $ (164) | $ 11
Revenues |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) reclassified from AOCI into income (effective portion) | 8 | 8 | 16 | 16
Costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) reclassified from AOCI into income (effective portion) | 6 | (3) | 0 | (4)
Other income, net |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) related to non-designated hedges | $ (12) | $ (3) | $ (12) | $ (1)

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