Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity in the Company’s accrued obligations for personal injury claims (in millions):

	Nine Months Ended September 30,
	2022		2021
Beginning balance	$	296	$	273
Accruals / changes in estimates	29		46
Payments	(60)		(25)
Ending balance	$	265	$	294
Current portion of ending balance	$	90	$	80

Accrued Obligations for Environmental Matters

The following table summarizes the activity in the Company’s accrued obligations for environmental costs (in millions):

	Nine Months Ended September 30,
	2022		2021
Beginning balance	$	251	$	265
Accruals / changes in estimates	13		4
Payments	(13)		(13)
Ending balance	$	251	$	256
Current portion of ending balance	$	35	$	35