LEASES Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Jan. 01, 2019
Total leased assets	$ 159	$ 165
Total lease liabilities	165	(172)
Amount recorded to retained earnings related to new accounting pronouncement		$ 7
Operating Lease, Cost	5
Finance Lease, Cost	$ 4
Minimum
Operating and finance leases remaining lease term	1 year
Maximum
Operating and finance leases remaining lease term	25 years