DEBT AND FINANCING ARRANGEMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Letter of Credit Facility [Member] | ING [Member]
Line of Credit Facility [Line Items]
Maximum capacity	$ 0
Letter of Credit Facility [Member] | Citibank [Member]
Line of Credit Facility [Line Items]
Maximum capacity	750
Letters of credit outstanding	470
Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum capacity	250
Letters of credit outstanding	0
Credit facility borrowings	$ 0