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ACQUISITIONS AND DIVESTITURES - Narrative (Details) - USD ($) $ in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 11, 2022 | Aug. 17, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Aug. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |
Equity method investments |  |  | $ 749 | $ 141 |
KAH |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Remaining ownership percentage acquired |  | 60.00% |  |  |
Enterprise value of acquiree including existing equity value |  | $ 8,200 |  |  |
Existing equity value |  | $ 2,400 |  |  |
Minority ownership prior to acquisition (percent) |  | 40.00% |  |  |
Equity method investments |  | $ 1,300 |  |  |
Remeasurement gain |  | 1,100 |  |  |
Transaction amount, net of existing equity stake |  | $ 5,800 |  |  | $ 5,800
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Kindred at Home, Hospice and Personal Care Divisions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Equity interest to be sold | 60.00% |  |  |  |
Consideration to be received | $ 2,700 |  |  |  |
Pre-tax gain, net of transaction costs | 237 |  |  |  |
Pretax earnings |  |  | 150 | 113 |
Revenue |  |  | $ 958 | $ 582 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Kindred at Home, Hospice and Personal Care Divisions | Medicare Licenses And Certificates Of Need |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangibles | 866 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Kindred at Home, Hospice and Personal Care Divisions | Term loan, due October 29, 2023 | Loans Payable |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Repayment of debt | $ 1,900 |  |  |  |

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