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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
 12 Months Ended
Dec. 31, 2019
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:

 

DOLLAR AMOUNTS IN MILLIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DECEMBER 31, 2019

 

 

DECEMBER 31, 2018

 

 

 

CARRYING

VALUE

 

 

FAIR VALUE

(LEVEL 2)

 

 

CARRYING

VALUE

 

 

FAIR VALUE

(LEVEL 2)

 

Long-term debt (including current maturities) and line of credit:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fixed rate

 

$

5,922

 

 

$

6,986

 

 

$

5,694

 

 

$

6,345

 

Variable rate

 

 

455

 

 

 

455

 

 

 

650

 

 

 

650

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total Debt

 

$

6,377

 

 

$

7,441

 

 

$

6,344

 

 

$

6,995