Acquisitions and Divestitures - Divestitures - Additional Information (Details) $ in Millions			3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 27, 2020 Item	Mar. 18, 2020 Item	Dec. 31, 2018 USD ($)	Jun. 30, 2020 Item	Dec. 31, 2019 USD ($)	Jun. 25, 2020 Item	May 28, 2020 Item	Apr. 20, 2020 Item
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hospital closures				0
Northern Louisiana Medical Center | Ruston, Louisiana
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds		130
Disposition completion date		Jul. 01, 2020
San Angelo Community Medical Center | San Angelo, Texas
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds								171
Abilene Regional Medical Center | Abilene, Texas
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds	231
Brownwood Regional Medical Center | Brownwood, Texas
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds	188
St. Cloud Regional Medical Center | St. Cloud, Florida
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds	84
Disposition completion date	Jul. 01, 2020
Hill Regional Hospital | Hillsboro Texas
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds							25
Bayfront Health St Petersburg | St Petersburg Florida
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds						480
Tennova Healthcare
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge recorded on the sale or closure of hospitals | $			$ 27		$ 9