Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2	$ (298)	$ (18)	$ (268)
Other comprehensive (loss) income, net of income taxes:
Net change in fair value of available-for-sale debt securities, net of tax	(1)	(6)	2	(14)
Other comprehensive (loss) income	(1)	(6)	2	(14)
Comprehensive income (loss)	1	(304)	(16)	(282)
Less: Comprehensive income attributable to noncontrolling interests	40	28	71	59
Comprehensive loss attributable to Community Health Systems, Inc. stockholders	$ (39)	$ (332)	$ (87)	$ (341)