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Cloud Computing Arrangements - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Apr. 30, 2024 | Apr. 30, 2023 | Jan. 31, 2024
Capitalized Contract Cost [Line Items] |  |  |
Amortization | $ 13 | $ 9 |
Cloud-based Software Hosting Arrangements |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Capitalized software development costs | 271 |  | $ 254
Accumulated amortization | $ 96 |  | $ 83

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