Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table presents our assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy.

	March 31, 2025			December 31, 2024
	Total	Level 1	Level 2	Total	Level 1	Level 2
Assets
Money market funds	$5,182	$5,182		$6,475	$6,475
Available-for-sale debt investments:
Commercial paper	163		$163	165		$165
Corporate notes	338		338	335		335
U.S. government agencies	17		17	17		17
Other equity investments	10	10		9	9
Derivatives	80		80	65		65
Total assets	$5,790	$5,192	$598	$7,066	$6,484	$582
Liabilities
Derivatives	($120)		($120)	($218)		($218)
Total liabilities	($120)		($120)	($218)		($218)

Fair Value, Assets Measured on Nonrecurring Basis Using Unobservable Inputs

The following table presents the nonrecurring losses recognized for the three months ended March 31 due to long-lived asset impairment and the fair value of the related assets as of the impairment date:

	2025		2024
	Fair Value	Total Losses	Fair Value	Total Losses
Investments		($5)		($4)
Other assets	$5	(2)		(3)
Property, plant and equipment			$18	(9)
Operating lease equipment			15	(5)
Total	$5	($7)	$33	($21)

Fair Values and Related Carrying Values of Financial Instruments

The fair values and related carrying values of financial instruments that are not required to be remeasured at fair value on the Condensed Consolidated Statements of Financial Position were as follows:

	March 31, 2025
	Carrying Amount	Total Fair Value	Level 1	Level 2	Level 3
Assets
Notes receivable, net	$881	$923		$910	$13
Liabilities
Debt, excluding finance lease obligations	(53,394)	(51,758)		(51,758)

	December 31, 2024
	Carrying Amount	Total Fair Value	Level 1	Level 2	Level 3
Assets
Notes receivable, net	$940	$953		$941	$12
Liabilities
Debt, excluding finance lease obligations	(53,625)	(51,089)		(51,089)