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Acquisitions - Allocation (Detail) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Purchase price allocation |  |
Goodwill | $ 9,363 | $ 9,254
2024 Business Acquisitions [Member] |  |
Purchase price allocation |  |
Property and equipment | 57 |
Other intangible assets | 57 |
Goodwill | $ 127 |

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