v3.25.2
GOODWILL AND INTANGIBLE ASSETS - Change in the Carrying Amount of Goodwill by Segment (Details)
$ in Millions
6 Months Ended
Jun. 30, 2025
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 8,710
Additions/adjustments 14
Foreign currency impact 212
Ending balance 8,936
Freight Segment  
Goodwill [Roll Forward]  
Beginning balance 7,248
Additions/adjustments 14
Foreign currency impact 29
Ending balance 7,291
Transit Segment  
Goodwill [Roll Forward]  
Beginning balance 1,462
Additions/adjustments 0
Foreign currency impact 183
Ending balance $ 1,645