v3.25.4
Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Personal Injury Liability Activity
Our personal injury liability activity was as follows:
Millions202520242023
Beginning balance$379 $383 $361 
Current year accruals123 121 112 
Changes in estimates for prior years17 (14)89 
Payments(106)(111)(179)
Ending balance at December 31$413 $379 $383 
Current portion, ending balance at December 31$93 $106 $113 
Schedule of Environmental Liability Activity
Our environmental liability activity was as follows:
Millions202520242023
Beginning balance$268 $245 $253 
Accruals70 129 99 
Payments(79)(106)(107)
Ending balance at December 31$259 $268 $245 
Current portion, ending balance at December 31$62 $83 $91