v3.25.2
SEGMENT INFORMATION - Sales by Product (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Total sales $ 2,706 $ 2,644 $ 5,316 $ 5,141
Freight Segment        
Segment Reporting Information [Line Items]        
Total sales 1,919 1,920 3,820 3,744
Transit Segment        
Segment Reporting Information [Line Items]        
Total sales 787 724 1,496 1,397
Services        
Segment Reporting Information [Line Items]        
Total sales 480 499 933 989
Services | Freight Segment        
Segment Reporting Information [Line Items]        
Total sales 781 737 1,644 1,475
Equipment | Freight Segment        
Segment Reporting Information [Line Items]        
Total sales 546 570 1,022 1,096
Components | Freight Segment        
Segment Reporting Information [Line Items]        
Total sales 401 414 782 798
Digital Intelligence | Freight Segment        
Segment Reporting Information [Line Items]        
Total sales 191 199 372 375
Original Equipment Manufacturer | Transit Segment        
Segment Reporting Information [Line Items]        
Total sales 353 310 675 620
Aftermarket | Transit Segment        
Segment Reporting Information [Line Items]        
Total sales $ 434 $ 414 $ 821 $ 777