Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 179	$ 368	$ 607
Other comprehensive (loss) income, net of income taxes:
Net change in fair value of interest rate swaps, net of tax of $0 for the years ended December 31, 2022, 2021 and 2020			(1)
Net change in fair value of available-for-sale debt securities, net of tax of $5 for the year ended December 31, 2022 and $1 for the years ended December 31, 2021 and 2020	(17)	(5)	4
Amortization and recognition of unrecognized pension cost components, net of tax of $3, $0 and $2 for the years ended December 31, 2022, 2021 and 2020, respectively	10	3	(7)
Other comprehensive loss	(7)	(2)	(4)
Comprehensive income	172	366	603
Less: Comprehensive income attributable to noncontrolling interests	133	138	96
Comprehensive income attributable to Community Health Systems, Inc. stockholders	$ 39	$ 228	$ 507