LEASES 3 (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Leases [Abstract]
Operating lease cost	$ 56	$ 110
Variable lease cost	6	14
Short-term lease cost	3	6
Amortization of right-of-use assets	14	28
Interest on lease liability	7	15
Total financing lease cost	21	43
Total lease cost	$ 86	$ 173