LEASES - Schedule of Operating Lease Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jan. 01, 2019
Leases [Abstract]
Other assets	$ 200	$ 200	$ 208
Accrued expenses	52	52
Other non-current liabilities	150	150
Total operating lease liabilities	$ 202	$ 202	$ 205
Weighted average remaining lease term	7 years	7 years
Weighted average incremental borrowing rate	2.40%	2.40%
Rent expense included in SG&A for the three months ended June 30, 2019	$ 16	$ 35
Cash paid for operating leases for the three months ended June 30, 2019		32
ROU assets obtained in exchange for operating lease obligations		$ 8