Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Condensed Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 34	$ (101)
Other comprehensive income (loss), net of income taxes:
Net change in fair value of interest rate swaps, net of tax		(2)
Net change in fair value of available-for-sale debt securities, net of tax	2	2
Other comprehensive income	2
Comprehensive income (loss)	36	(101)
Less: Comprehensive income attributable to noncontrolling interests	16	17
Comprehensive income (loss) attributable to Community Health Systems, Inc. stockholders	$ 20	$ (118)