LEASES 2 (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets and Liabilities, Lessee [Abstract]
Other assets	$ 774	$ 773
Accrued liabilities	187	187
Other liabilities	640	641
Total operating lease liabilities	827	828
Property, plant and equipment	351	357
Accumulated depreciation	(185)	(180)
Property, plant and equipment - net	166	177
Current maturities of long-term debt	59	60
Long-term debt	114	124
Total finance lease liability	$ 173	$ 184