DEBT (Details) - Long-term Debt, Type [Domain]	6 Months Ended
	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Line of credit facility disclosures
Debt Instrument, Face Amount	$ 1,500,000,000	$ 1,500,000,000
Line of Credit Facility, Description	5
Short-term borrowings	$ 1,000,000	$ 4,100,000
Term of credit facility	Jun. 30, 2019
Line of credit, maximum amount of outstanding borrowings and letters of credit permitted at any one time	$ 750,000,000
Line of credit, potential maximum with Company's request and lender consent	$ 1,000,000,000
Credit Facility covenant, consolidated total debt to consolidated EBITDA ratio, numerator(cannot exceed)	3.50
Credit Facility covenant, consolidated total debt to consolidated EBITDA ratio, denominator	1.0
Credit Facility covenant, consolidated EBITDA to consolidated interest expense ratio, numerator (cannot be less)	3.0
Credit Facility covenant, consolidated EBITDA to consolidated interest expense ratio, denominator	1.0
Line of Credit, Current	$ 0.0
Description of interest rate basis	LIBOR
Credit facility, commitment fee percentage	0.125%
Lower limit
Line of credit facility disclosures
Range of margin added to base rate (as a percent)	0.00%
Upper limit
Line of credit facility disclosures
Range of margin added to base rate (as a percent)	1.375%