Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The fair value hierarchy for assets and liabilities measured at fair value at June 30, 2023, and December 31, 2022, is as follows:

Assets and Liabilities Measured at Fair Value on a Recurring Basis

(Millions of dollars)

	At June 30, 2023								At December 31, 2022
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Marketable Securities	$	318	$	318	$	—	$	—	$	223	$	223	$	—	$	—
Derivatives - not designated	57		—		57		—		184		111		73		—
Derivatives - designated	2		2		—		—		—		—		—		—
Total Assets at Fair Value	$	377	$	320	$	57	$	—	$	407	$	334	$	73	$	—
Derivatives - not designated	166		106		60		—		43		33		10		—
Derivatives - designated	—		—		—		—		15		15		—		—
Total Liabilities at Fair Value	$	166	$	106	$	60	$	—	$	58	$	48	$	10	$	—