Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Consolidated Statements of Comprehensive (Loss) Income [Abstract]
Net income	$ 36	$ 99
Other comprehensive (loss) income, net of income taxes:
Net change in fair value of interest rate swaps, net of tax	(19)	(9)
Net change in fair value of available-for-sale securities, net of tax	2	1
Amortization and recognition of unrecognized pension cost components, net of tax	1	1
Other comprehensive loss	(16)	(7)
Comprehensive income	20	92
Less: Comprehensive income attributable to noncontrolling interests	25	20
Comprehensive (loss) income attributable to Community Health Systems, Inc. stockholders	$ (5)	$ 72