Condensed Consolidated Statements of (Loss) Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net operating revenues	$ 3,025	$ 3,115	$ 9,069	$ 9,135
Operating costs and expenses:
Salaries and benefits	1,352	1,336	3,972	3,905
Supplies	492	529	1,477	1,521
Other operating expenses	828	716	2,511	2,170
Lease cost and rent	80	75	236	231
Pandemic relief funds	(115)	(19)	(171)	(102)
Depreciation and amortization	137	137	398	408
Impairment and (gain) loss on sale of businesses, net	47	1	54	24
Total operating costs and expenses	2,821	2,775	8,477	8,157
Income from operations	204	340	592	978
Interest expense, net	217	216	652	666
(Gain) loss from early extinguishment of debt	(78)		(73)	79
Gain on sale of equity interests in Macon Healthcare, LLC		(26)		(26)
Equity in earnings of unconsolidated affiliates	(5)	(4)	(11)	(19)
Income before income taxes	70	154	24	278
Provision for income taxes	70	10	291	132
Net income (loss)	0	144	(267)	146
Less: Net income attributable to noncontrolling interests	42	33	102	94
Net (loss) income attributable to Community Health Systems, Inc. stockholders	$ (42)	$ 111	$ (369)	$ 52
(Loss) earnings per share attributable to Community Health Systems, Inc. stockholders:
Basic	$ (0.32)	$ 0.87	$ (2.86)	$ 0.41
Diluted	$ (0.32)	$ 0.85	$ (2.86)	$ 0.40
Weighted-average number of shares outstanding:
Basic	129,141,673	127,077,786	128,689,999	126,638,291
Diluted	129,141,673	130,885,139	128,689,999	129,885,951