NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Notes Payable) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Short-term Debt [Line Items]
Total notes payable	$ 156	$ 586
Year-end average interest rates	3.89%	6.30%
Commercial paper
Short-term Debt [Line Items]
Total notes payable	$ 0	$ 151
Notes payable to banks and other lenders
Short-term Debt [Line Items]
Total notes payable	$ 156	$ 435