ACQUISITIONS - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 10,415		$ 10,123
Transaction costs related to prospective and closed acquisitions	8	$ 10
Goodwill, purchase accounting adjustments	(19)
SurgeCenter Development
Business Acquisition [Line Items]
Goodwill	$ 342	$ 707

Represents the amount of acquisition-related transaction costs incurred to effect a business combination which costs have been expensed during the period.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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