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Cloud Computing Arrangements (Details) - Cloud-based Software Hosting Arrangements - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024 | Jan. 31, 2025
Capitalized Contract Cost [Line Items] |  |  |  |  |
Capitalized software development costs | $ 356 |  | $ 356 |  | $ 327
Accumulated amortization | 152 |  | 152 |  | $ 136
Amortization | $ 10 | $ 17 | $ 20 | $ 30 |

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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-1 + Details
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