COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Long-term Purchase Commitment [Line Items]
Line of credit	$ 85
Letters of credit outstanding, amount	67
Litigation reserves	10	$ 11
Self-insurance reserves	$ 121	$ 113
Line of Credit [Member]
Long-term Purchase Commitment [Line Items]
Debt instrument, maturity date	Nov. 17, 2015