FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]

Estimated Fair Values and Carrying Values of Long-Term Debt and Line of Credit

The estimated fair values and carrying values of our long-term debt and line of credit consisted of the following:

	SEPTEMBER 30, 2020				DECEMBER 31, 2019
DOLLAR AMOUNTS IN MILLIONS	CARRYING VALUE		FAIR VALUE (LEVEL 2)		CARRYING VALUE		FAIR VALUE (LEVEL 2)
Long-term debt (including current maturities) and line of credit:
Fixed rate	$	5,749	$	7,194	$	5,922	$	6,986
Variable rate		225		225		455		455
Total debt	$	5,974	$	7,419	$	6,377	$	7,441