NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Notes Payable) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Notes Payable Long Term Debt and Available Credit Facilities [Line Items]
Short-term Debt	$ 792	$ 484
Period-end average interest rates	3.90%	4.42%
Commercial Paper [Member]
Notes Payable Long Term Debt and Available Credit Facilities [Line Items]
Short-term Debt	$ 500	$ 231
Notes Payable to Banks [Member]
Notes Payable Long Term Debt and Available Credit Facilities [Line Items]
Short-term Debt	$ 292	$ 253