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Cloud Computing Arrangements (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022 | Jan. 31, 2023
Capitalized Contract Cost [Line Items] |  |  |  |  |
Amortization | $ 9 | $ 5 | $ 18 | $ 9 |
Cloud-based Software Hosting Arrangements |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Capitalized software development costs | 220 |  | 220 |  | $ 190
Accumulated amortization | $ 59 |  | $ 59 |  | $ 41

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- Definition Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481283/985-20-50-1 + Details
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