NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Notes Payable) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Short-term Debt [Line Items]
Total notes payable	$ 484	$ 272
Year-end average interest rates	4.42%	4.60%
Commercial paper
Short-term Debt [Line Items]
Total notes payable	$ 231	$ 0
Notes payable to banks and other lenders
Short-term Debt [Line Items]
Total notes payable	253	225
Notes payable to related companies
Short-term Debt [Line Items]
Total notes payable	0	44
Notes payable trade
Short-term Debt [Line Items]
Total notes payable	$ 0	$ 3