Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2023

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,
	2023		2022
Beginning balance	$	263	$	296
Accruals / changes in estimates	59		29
Payments	(74)		(60)
Ending balance	$	248	$	265
Current portion of ending balance	$	90	$	90

Accrued Obligations for Environmental Matters

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

	Nine Months Ended September 30,
	2023		2022
Beginning balance	$	247	$	251
Accruals / changes in estimates	6		13
Payments	(14)		(13)
Ending balance	$	239	$	251
Current portion of ending balance	$	35	$	35