Fair Value Disclosures (Tables)

9 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table summarizes assets and liabilities measured at fair value on a recurring basis:

	Fair Value Measurements Using
	Level 1				Level 2				Level 3
(Millions of dollars)	September 30, 2025		December 31, 2024		September 30, 2025		December 31, 2024		September 30, 2025		December 31, 2024
Assets
Derivative assets	$	—	$	—	$	106	$	306	$	—	$	—
Investments and securities*	20		16		—		—		13		12
Total	$	20	$	16	$	106	$	306	13		$	12
Liabilities
Derivative liabilities	$	—	$	—	$	138	$	101	$	—	$	—

* Investments and securities are recorded in prepaid and other current assets and other long-term assets in the company's condensed consolidated balance sheet.