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REDEEMABLE NONCONTROLLING INTERESTS IN EQUITY OF CONSOLIDATED SUBSIDIARIES - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Sep. 30, 2024 | Sep. 30, 2025 | Dec. 31, 2024
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Other current liabilities |  |  | $ 1,687 | $ 1,607
AL Hospitals |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Decrease to redeemable noncontrolling interest from sale |  | $ 175 |  |
United Surgical Partners International |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Other current liabilities |  |  |  | $ 68
United Surgical Partners International | Baylor University Medical Center |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Share purchase agreement amount of payment | $ 406 |  |  |
United Surgical Partners International | Baylor University Medical Center | Put Option |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage | 5.00% |  |  |

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