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Business and Summary of Significant Accounting Policies - Segments (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 31, 2023 USD ($) segment | Jan. 31, 2022 USD ($)
Long Lived Assets Held-for-sale [Line Items] |  |
Number of operating segments | segment | 1 |
Total long-lived assets | $ 389 | $ 467
U.S. |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Total long-lived assets | 256 | 323
Other Americas |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Total long-lived assets | 13 | 20
Americas |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Total long-lived assets | 269 | 343
Europe, Middle East, and Africa |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Total long-lived assets | 72 | 92
Asia Pacific |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Total long-lived assets | $ 48 | $ 32

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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