LEASES 4 (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 54	$ 109
Operating cash flows from finance leases	7	15
Financing cash flows from finance leases	13	26
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	16	26
Finance leases	$ 4	$ 8