BUSINESS ACQUISITION (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended	3 Months Ended	6 Months Ended	0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 07, 2014 Solstas Lab Parnters Group [Member]	Jun. 30, 2014 Solstas Lab Parnters Group [Member]	Jun. 30, 2014 Solstas Lab Parnters Group [Member]	Apr. 18, 2014 Summit Health, Inc. [Member]	Apr. 16, 2014 Steward Health Care Systems, LLC [Member] [Member]
Business Acquisition [Line Items]
Cash paid for acquisition					$ 572			$ 151	$ 34
Business acquisitions, net of cash acquired	156	90	723	180	563			123
Business Combination, Contingent Consideration Fair Value					0			22	4
Operating expenses						97	122
Net revenues	1,902	1,815	3,648	3,602		97	122
Integration and transaction related costs						3	5
Cash consideration paid					572			124	30
Business Combination, Working Capital Adjustments								9
Business Combination, Contingent Consideration Value High								25	5
Business Combination, Acquisition Related Costs					$ 0			$ 5