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

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.

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+ Details