Acquisitions, Divestitures and Closures - Closures - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2022 Item	Sep. 30, 2020 Item
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge of long-lived assets sold	$ 71
Shorepoint Health Venice | Venice, Florida
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds | Item			312
Impairment charge of long-lived assets sold	29
First Hospital Wyoming Valley (Psychiatric) | Wilkes-Barre, Pennsylvania
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds | Item			149
Impairment charge of long-lived assets sold	$ 15
Shands Lake Shore Regional Medical Center
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		$ 3
Shands Lake Shore Regional Medical Center | Lake City Florida
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of licensed beds | Item				99