LEASES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Leases, Rent Expense, Net [Abstract]
Operating lease expense	$ 140	$ 140	$ 140
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Annual minimum rental commitments for non-cancelable operating leases for next five years	100
Minimum rental commitments for non-cancelable operating leases, Later years	$ 300