Fair Value Disclosures (Tables)

9 Months Ended

Sep. 30, 2021

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, 2021		December 31, 2020		September 30, 2021		December 31, 2020		September 30, 2021		December 31, 2020
Assets
Derivative assets	$	—	$	—	$	147	$	200	$	—	$	—
Investments and securities*	24		21		—		—		27		47
Total	$	24	$	21	$	147	$	200	27		$	47
Liabilities
Derivative liabilities	$	—	$	—	$	43	$	81	$	—	$	—

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