LEASES Schedule of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions		Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease, right-of-use asset		$ 422	$ 434
Finance lease, right-of-use asset	[1]	95	103
Lease asset, total		517	537
Operating lease, liability, current		137	134
Finance lease, liability, current		12	12
Operating lease, liability, noncurrent		290	304
Finance lease, liability, noncurrent		83	88
Lease liability, total		$ 522	$ 538

[1] Finance leases are recorded net of accumulated amortization of $49 million and $40 million as of September 30, 2020 and December 31, 2019, respectively.