Condensed Consolidated Statements of (Loss) Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net operating revenues	$ 2,934	$ 3,007	$ 6,044	$ 6,020
Operating costs and expenses:
Salaries and benefits	1,295	1,266	2,620	2,569
Supplies	487	500	985	992
Other operating expenses	830	715	1,683	1,453
Lease cost and rent	78	78	155	156
Pandemic relief funds	(8)	(1)	(55)	(83)
Depreciation and amortization	133	133	261	272
Impairment and (gain) loss on sale of businesses, net		2	6	23
Total operating costs and expenses	2,815	2,693	5,655	5,382
Income from operations	119	314	389	638
Interest expense, net	218	219	435	449
Loss from early extinguishment of debt		8	5	79
Equity in earnings of unconsolidated affiliates	(1)	(4)	(6)	(15)
(Loss) income before income taxes	(98)	91	(45)	125
Provision for income taxes	200	54	223	123
Net (loss) income	(298)	37	(268)	2
Less: Net income attributable to noncontrolling interests	28	31	59	60
Net (loss) income attributable to Community Health Systems, Inc. stockholders	$ (326)	$ 6	$ (327)	$ (58)
(Loss) earnings per share attributable to Community Health Systems, Inc. stockholders:
Basic	$ (2.52)	$ 0.04	$ (2.54)	$ (0.46)
Diluted	$ (2.52)	$ 0.04	$ (2.54)	$ (0.46)
Weighted-average number of shares outstanding:
Basic	129,095,571	127,069,252	128,460,419	126,414,901
Diluted	129,095,571	130,737,124	128,460,419	126,414,901