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FAIR VALUE - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Aug. 11, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Swap liability | $ 129,000,000 |  |
Swap asset |  | $ 68,000,000 |
Disposed of by Sale | Gentiva Hospice |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Equity interest to be sold (as percent) |  |  | 60.00%
Put Option |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value of financial liability | 883,000,000 | 595,000,000 |
Call Option |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value of financial asset | 10,000,000 | 18,000,000 |
Commercial paper |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Commercial paper borrowings | 0 | 871,000,000 |
Carrying Value |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt outstanding | 11,700,000,000 | 10,800,000,000 |
Fair Value |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt outstanding | 11,200,000,000 | 10,600,000,000 |
Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Cumulative, aggregate adjustment to the carrying value of senior note | (129,000,000) |  |
Recurring Basis |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | $ 21,101,000,000 | $ 21,590,000,000 |
Unobservable Inputs (Level 3) | Investments | Fair Value Risk |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Concentration risk (as percent) | 1.50% | 1.00% |
Unobservable Inputs (Level 3) | Recurring Basis |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | $ 322,000,000 | $ 218,000,000 |

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