Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2024

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 at December 31, 2024 and 2023: 

	Fair Value Measurements Using
(Millions of dollars)	Level 1				Level 2				Level 3
	2024		2023		2024		2023		2024		2023
Assets
Derivative assets	$	—	$	—	$	306	$	81	$	—	$	—
Investments and securities *	16		16		—		—		12		12
Total	$	16	$	16	$	306	$	81	$	12	$	12
Liabilities
Derivative liabilities	$	—	$	—	$	101	$	47	$	—	$	—

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