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Goodwill and Intangible Assets - Additional Information (Details) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) reporting_unit | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract] |  |  |  |  |  |
Intangible assets, gross (including goodwill) |  | $ 7,400,000,000 |  | $ 7,400,000,000 |  | $ 8,900,000,000
Number of reporting units | reporting_unit |  |  |  | 1 |  |
Excess of estimated fair value of equity over carrying value (as a percent) | 15.00% |  |  |  |  |
Excess of estimated fair value of equity over carrying value, post classification of some assets as held for sale (as a percent) | 14.00% |  |  |  |  |
Goodwill impairment | $ 0 |  |  |  |  |
Amortization of intangible assets |  | $ 8,000,000 | $ 4,000,000 | $ 25,000,000 | $ 29,000,000 |
Minimum | Measurement Input, Revenue Multiple |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill impairment, measurement input | 1.8 |  |  |  |  |
Minimum | Measurement Input, EBITDA Multiple |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill impairment, measurement input | 5.8 |  |  |  |  |
Maximum | Measurement Input, Revenue Multiple |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill impairment, measurement input | 3.1 |  |  |  |  |
Maximum | Measurement Input, EBITDA Multiple |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill impairment, measurement input | 8.0 |  |  |  |  |

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