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Equity Investments - Additional Information (Details) $ in Millions |  | 12 Months Ended | 84 Months Ended
--- | --- | --- | ---
Jul. 30, 2021 USD ($) Hospital | Dec. 31, 2023 USD ($) Hospital | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2016 | Dec. 31, 2023 USD ($)
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |
Number of hospitals sold | Hospital |  | 5 |  |  |  |
Proceeds from sale of unconsolidated minority equity interests |  |  |  | $ 110 |  |
Distribution of CoreTrust Transaction proceeds |  |  | $ 121 |  |  |
Gain from CoreTrust transaction |  |  | 119 |  |  |
Equity method investment |  | $ 170 | 155 |  |  | $ 170
Equity in earnings of unconsolidated affiliates |  | $ 8 | 14 | $ 22 |  |
CoreTrust Holdings, LLC [Member] |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |
Gain from CoreTrust transaction |  |  | $ 119 |  |  |
Home Care [Member] |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |
Disposal date |  | Dec. 31, 2016 |  |  |  |
Percentage of ownership interest sold |  |  |  |  | 80.00% | 20.00%
Equity method investment ownership percentage |  |  |  |  | 80.00% |
HealthTrust [Member] |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment ownership percentage |  | 12.60% |  |  |  | 12.60%
Two Hospitals in Macon Georgia |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |
Disposal date |  |  |  | Jul. 30, 2021 |  |
Number of hospitals sold | Hospital | 2 |  |  |  |  |
Percentage of ownership interest sold | 38.00% |  |  |  |  |
Proceeds from sale of unconsolidated minority equity interests | $ 110 |  |  |  |  |
Pre tax gain on sale of investments |  |  |  | $ 39 |  |

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