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Subsequent Events (Details) - Health Care Services - HCA Healthcare, Inc. - Securities Purchase Agreement - USD ($)
$ in Millions
Feb. 24, 2021
Dec. 31, 2020
Subsequent Event [Line Items]    
Medicare advance payments   $ 75.2
Employer portion of payroll taxes delayed   $ 8.2
Subsequent event    
Subsequent Event [Line Items]    
Percentage of ownership sold In transaction 80.00%  
Purchase price $ 400.0  
Percentage of ownership after transaction 20.00%