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REDEEMABLE NONCONTROLLING INTERESTS IN EQUITY OF CONSOLIDATED SUBSIDIARIES - Segment Details (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	$ 2,917		$ 2,727
Net income available to redeemable noncontrolling interests	381	$ 336
Hospital Operations
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	879		800
Net income available to redeemable noncontrolling interests	82	74
Ambulatory Care
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests	2,038		$ 1,927
Net income available to redeemable noncontrolling interests	$ 299	$ 262

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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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Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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