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NOTES PAYABLE AND LONG-TERM DEBT (Schedule of Notes Payable) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
Notes Payable to Bank $ 0 $ 6
Notes payable to related companies 33 32
Total notes payable $ 33 $ 38
Year-end average interest rates 1.25% 1.88%