v3.21.1

DEBT (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Fair Value and Carrying Value of Debt [Table Text Block]

The estimated fair values and carrying amounts of long-term debt, excluding finance leases, were as follows:

			March 31, 2021						December 31, 2020
			(Thousands of Dollars)
Fair value			$	3,666,778					$	3,799,378
Carrying amount			$	3,392,617					$	3,539,258

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- Definition

Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements.

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No definition available.

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