Condensed Consolidated Statements of Loss - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net operating revenues	$ 3,115	$ 2,934	$ 6,223	$ 6,044
Operating costs and expenses:
Salaries and benefits	1,338	1,295	2,703	2,620
Supplies	504	487	1,011	985
Other operating expenses	836	830	1,671	1,683
Lease cost and rent	80	78	161	155
Pandemic relief funds		(8)		(55)
Depreciation and amortization	124	133	255	261
Impairment and (gain) loss on sale of businesses, net	(13)		(35)	6
Total operating costs and expenses	2,869	2,815	5,766	5,655
Income from operations	246	119	457	389
Interest expense, net	207	218	414	435
Loss from early extinguishment of debt				5
Equity in earnings of unconsolidated affiliates	(1)	(1)	(4)	(6)
Income (loss) before income taxes	40	(98)	47	(45)
Provision for income taxes	38	200	65	223
Net income (loss)	2	(298)	(18)	(268)
Less: Net income attributable to noncontrolling interests	40	28	71	59
Net loss attributable to Community Health Systems, Inc. stockholders	$ (38)	$ (326)	$ (89)	$ (327)
Loss per share attributable to Community Health Systems, Inc. stockholders:
Basic	$ (0.29)	$ (2.52)	$ (0.68)	$ (2.54)
Diluted	$ (0.29)	$ (2.52)	$ (0.68)	$ (2.54)
Weighted-average number of shares outstanding:
Basic	130,659,672	129,095,571	130,176,976	128,460,419
Diluted	130,659,672	129,095,571	130,176,976	128,460,419