FAIR VALUE MEASUREMENTS (Narrative) (Details) (USD $)			3 Months Ended		0 Months Ended		6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Call Option [Member]	Jan. 02, 2013 UMass Memorial Medical Center (UMass) [Member]	Apr. 18, 2014 Summit Health, Inc. [Member]	Apr. 16, 2014 Steward Health Care Systems, LLC [Member] [Member]	Jun. 30, 2014 Minimum [Member]	Jun. 30, 2014 Maximum [Member]
Business Acquisition [Line Items]
Percentage of equity interest expected to be divested				18.90%
Vesting period for derivative instrument			9 months
Business Combination, Contingent Consideration, Liability to be Paid	$ 26,000,000
Fair value inputs, probability of occurrence							5.00%	95.00%
Fair Value Inputs, Discount Rate							1.50%	2.80%
Business Combination, Contingent Consideration Value High					25,000,000	5,000,000
Fair value of debt	4,300,000,000	3,500,000,000
Debt Instrument Fair Value In Excess Of Carrying Value Of Debt	$ 342,000,000	$ 184,000,000