v3.25.4

Financial Instruments and Risk Management (Tables)

12 Months Ended

Dec. 31, 2025

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The carrying amount and fair value of our total debt is as follows:

	December 31, 2025					December 31, 2024
Millions of dollars	Level 1	Level 2	Total fair value	Carrying value		Level 1	Level 2	Total fair value	Carrying value
Total debt	$6,722	$357	$7,079	$7,158		$4,503	$2,825	$7,328	$7,541

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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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