Acquisitions - Schedule of Purchase Price Allocation (Details) - USD ($) $ in Millions |
Feb. 27, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
|---|---|---|---|
| Business Combination [Line Items] | |||
| Goodwill | $ 20,891 | $ 19,879 | |
| Prisma And Newpay | |||
| Business Combination [Line Items] | |||
| Deferred tax liabilities | $ (202) | ||
| Other net assets acquired (liabilities assumed) | 57 | ||
| Goodwill | 1,065 | ||
| Total | $ 1,509 | ||
| Weighted-Average Useful Life of Intangibles (in years) | 5 years | ||
| Prisma And Newpay | Technology | |||
| Business Combination [Line Items] | |||
| Finite-lived intangibles | $ 184 | ||
| Weighted-Average Useful Life of Intangibles (in years) | 3 years | ||
| Prisma And Newpay | Customer relationships | |||
| Business Combination [Line Items] | |||
| Finite-lived intangibles | $ 405 | ||
| Weighted-Average Useful Life of Intangibles (in years) | 6 years |
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred tax liability assumed in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of identifiable finite-lived intangible asset acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of asset acquired in excess of (less than) liability assumed plus goodwill in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Business Combination, Recognized Asset Acquired, Other Assets (Liabilities) No definition available.
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