v3.25.2
Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2025
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Personal Injury Liability Activity
Our personal injury liability activity was as follows:

Millions, for the six months ended June 30,20252024
Beginning balance$379 $383 
Current year accruals54 58 
Changes in estimates for prior years2 - 
Payments(65)(54)
Ending balance at June 30,$370 $387 
Current portion, ending balance at June 30,$109 $109 
Schedule of Environmental Liability Activity
Our environmental liability activity was as follows:

Millions, for the six months ended June 30,20252024
Beginning balance$268 $245 
Accruals28 78 
Payments(41)(50)
Ending balance at June 30,$255 $273 
Current portion, ending balance at June 30,$69 $119