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Investment in Unconsolidated Ventures (Details) - Healthcare Services Venture - Variable Interest Entity, Not Primary Beneficiary
$ in Millions
Dec. 31, 2021
USD ($)
Variable Interest Entity [Line Items]  
Ownership percentage 20.00%
Maximum exposure to loss $ 62.5
HCA Healthcare, Inc.  
Variable Interest Entity [Line Items]  
Ownership percentage 80.00%