Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements of Comprehensive (Loss) Income [Abstract]
Net (loss) income	$ (1,406)	$ 134	$ (1,371)	$ 232
Other comprehensive (loss) income, net of income taxes:
Net change in fair value of interest rate swaps, net of tax	(2)	8	(21)	(1)
Net change in fair value of available-for-sale securities, net of tax	(3)	(2)	(1)	(1)
Amortization and recognition of unrecognized pension cost components, net of tax	2		3	1
Other comprehensive (loss) income	(3)	6	(19)	(1)
Comprehensive (loss) income	(1,409)	140	(1,390)	231
Less: Comprehensive income attributable to noncontrolling interests	26	23	50	43
Comprehensive (loss) income attributable to Community Health Systems, Inc. stockholders	$ (1,435)	$ 117	$ (1,440)	$ 188