v3.26.3
Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2026
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Personal Injury Liability Activity
Our personal injury liability activity was as follows:
Millions, for the nine months ended September 30,20262025
Beginning balance$413 $379 
Current year accruals88 82 
Changes in estimates for prior years(11)9 
Payments(81)(81)
Ending balance at September 30,$409 $389 
Current portion, ending balance at September 30,$92 $105 
Schedule of Environmental Liability Activity
Our environmental liability activity was as follows:
Millions, for the nine months ended September 30,20262025
Beginning balance$259 $268 
Accruals78 44 
Payments(63)(55)
Ending balance at September 30,$274 $257 
Current portion, ending balance at September 30,$65 $66