Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (52)		$ (70)	$ (267)
Other comprehensive (loss) income, net of income taxes:
Net change in fair value of available-for-sale debt securities, net of tax	(3)	$ (6)	(1)	(20)
Amortization and recognition of unrecognized pension cost components, net of tax				1
Other comprehensive loss	(3)	(6)	(1)	(19)
Comprehensive loss	(55)	(6)	(71)	(286)
Less: Comprehensive income attributable to noncontrolling interests	39	42	110	102
Comprehensive loss attributable to Community Health Systems, Inc. stockholders	$ (94)	$ (48)	$ (181)	$ (388)