Acquisitions and Divestitures - Allocation (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Purchase price allocation
Goodwill	$ 9,254	$ 9,323	$ 9,028
Aggregate acquisitions [Member]
Purchase price allocation
Property and equipment	49	138
Goodwill	88	325
Noncontrolling interests		14
Other intangible assets	44	64
Aggregate acquisitions [Member] \| Customer Relationships [Member]
Purchase price allocation
Other intangible assets	34	45
Aggregate acquisitions [Member] \| Non-compete Covenant [Member]
Purchase price allocation
Other intangible assets	$ 10	$ 19

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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