Condensed Consolidated Statements of Loss - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net operating revenues	$ 3,086	$ 3,025	$ 9,308	$ 9,069
Operating costs and expenses:
Salaries and benefits	1,338	1,352	4,040	3,972
Supplies	489	492	1,499	1,477
Other operating expenses	853	828	2,524	2,511
Lease cost and rent	79	80	240	236
Pandemic relief funds		(115)		(171)
Depreciation and amortization	128	137	384	398
Impairment and (gain) loss on sale of businesses, net	26	47	(9)	54
Total operating costs and expenses	2,913	2,821	8,678	8,477
Income from operations	173	204	630	592
Interest expense, net	208	217	621	652
Loss (gain) from early extinguishment of debt		(78)		(73)
Equity in earnings of unconsolidated affiliates	(2)	(5)	(5)	(11)
(Loss) income before income taxes	(33)	70	14	24
Provision for income taxes	19	70	84	291
Net (loss) income	(52)		(70)	(267)
Less: Net income attributable to noncontrolling interests	39	42	110	102
Net loss attributable to Community Health Systems, Inc. stockholders	$ (91)	$ (42)	$ (180)	$ (369)
Loss per share attributable to Community Health Systems, Inc. stockholders:
Basic	$ (0.69)	$ (0.32)	$ (1.38)	$ (2.86)
Diluted	$ (0.69)	$ (0.32)	$ (1.38)	$ (2.86)
Weighted-average number of shares outstanding:
Basic	130,698,907	129,141,673	130,352,865	128,689,999
Diluted	130,698,907	129,141,673	130,352,865	128,689,999