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Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets by Asset Class (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 9,172 | $ 2,244 |
Accumulated Amortization and Impairment | 2,429 | 2,010 |
Total | 6,743 | 234 |
Amortization and impairment of intangible assets | 503 | 89 | $ 113
Customer-related and contract-based |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 7,994 | 1,873 |
Accumulated Amortization and Impairment | 2,050 | 1,686 |
Total | 5,944 | 187 |
Tradenames |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 812 | 12 |
Accumulated Amortization and Impairment | 66 | 12 |
Total | 746 | 0 |
Technology and other intangibles |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 366 | 359 |
Accumulated Amortization and Impairment | 313 | 312 |
Total | $ 53 | $ 47 |

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