Condensed Consolidated Statements of Loss - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net operating revenues	$ 3,111	$ 3,013
Operating costs and expenses:
Salaries and benefits	1,325	1,303
Supplies	499	491
Other operating expenses	853	738
Lease cost and rent	77	78
Pandemic relief funds	(47)	(82)
Depreciation and amortization	128	138
Impairment and (gain) loss on sale of businesses, net	6	21
Total operating costs and expenses	2,841	2,687
Income from operations	270	326
Interest expense, net	217	231
Loss from early extinguishment of debt	5	71
Equity in earnings of unconsolidated affiliates	(5)	(10)
Income before income taxes	53	34
Provision for income taxes	23	69
Net income (loss)	30	(35)
Less: Net income attributable to noncontrolling interests	31	29
Net loss attributable to Community Health Systems, Inc. stockholders	$ (1)	$ (64)
Loss per share attributable to Community Health Systems, Inc. common stockholders:
Basic	$ (0.01)	$ (0.51)
Diluted	$ (0.01)	$ (0.51)
Weighted-average number of shares outstanding:
Basic	127,818,209	125,753,278
Diluted	127,818,209	125,753,278