Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | $ 9,056 | $ 8,823 |
| Accumulated Amortization and Impairment | 3,569 | 3,096 |
| Total | 5,487 | 5,727 |
| Customer-related and contract-based | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | 7,972 | 7,738 |
| Accumulated Amortization and Impairment | 3,053 | 2,644 |
| Total | 4,919 | 5,094 |
| Tradenames | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | 718 | 716 |
| Accumulated Amortization and Impairment | 175 | 121 |
| Total | 543 | 595 |
| Technology and other | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | 366 | 369 |
| Accumulated Amortization and Impairment | 341 | 331 |
| Total | $ 25 | $ 38 |
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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