LEASES 4 (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 61
Operating cash flows from finance leases	1
Financing cash flows from finance leases	10
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	10
Finance leases	$ 4