Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (20)	$ 30
Other comprehensive income (loss), net of income taxes:
Net change in fair value of available-for-sale debt securities, net of tax	3	(8)
Other comprehensive income (loss)	3	(8)
Comprehensive (loss) income	(17)	22
Less: Comprehensive income attributable to noncontrolling interests	31	31
Comprehensive loss attributable to Community Health Systems, Inc. stockholders	$ (48)	$ (9)