Commitments and Contingencies (Tables)

6 Months Ended

Jun. 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):

	Six Months Ended June 30,
	2022		2021
Beginning balance	$	296	$	273
Accruals / changes in estimates	23		27
Payments	(25)		(15)
Ending balance	$	294	$	285
Current portion of ending balance	$	90	$	75

Accrued Obligations for Environmental Matters

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

	Six Months Ended June 30,
	2022		2021
Beginning balance	$	251	$	265
Accruals / changes in estimates	2		5
Payments	(9)		(9)
Ending balance	$	244	$	261
Current portion of ending balance	$	35	$	35