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DISPOSITION OF ASSETS AND LIABILITIES - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2024 hospital | Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($) hospital | Sep. 30, 2025 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Asset held-for-sale |  |  |  | $ 62
Disposal Group, Disposed of by Sale, Not Discontinued Operations | SC Hospitals |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of hospitals for sale | hospital | 3 |  |  |
Gain on sale of properties |  |  | $ 1,677 |
Income from continuing operations, before income taxes |  | $ (2) | 1,687 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Ambulatory Surgery Centers |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Gain on sale of properties |  |  | $ 43 |
Number of ambulatory surgery centers for sale | hospital |  |  | 3 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | AL Hospitals |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of hospitals for sale | hospital |  |  | 5 |
Gain on sale of properties |  |  | $ 357 |
Discontinued Operations, Held-for-sale | OCLA CA Hospitals |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of hospitals for sale | hospital |  |  | 4 |
Gain on sale of properties |  |  | $ 527 |
Discontinued Operations, Held-for-sale | Central CA Hospitals |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of hospitals for sale | hospital |  |  | 2 |
Gain on sale of properties |  |  | $ 271 |

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