v3.25.2
SEGMENT INFORMATION - Summary of Segment Financial Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Total sales $ 2,706 $ 2,644 $ 5,316 $ 5,141  
Cost of sales (1,768) (1,770) (3,478) (3,452)  
Gross profit 938 874 1,838 1,689  
Selling, general & administrative expenses (347) (316) (654) (597)  
Engineering expenses (50) (57) (96) (105)  
Amortization expense (69) (71) (142) (145)  
Income from operations 472 430 946 842  
Interest expense and other, net (22) (45) (70) (94)  
Income before income taxes 450 385 876 748  
Depreciation and amortization 117 118 237 241  
Capital expenditures 39 46 83 77  
Segment assets 20,391 18,876 20,391 18,876 $ 18,702
Intersegment eliminations          
Segment Reporting Information [Line Items]          
Total sales (25) (22) (45) (46)  
Corporate Activities and Elimination          
Segment Reporting Information [Line Items]          
Total sales 0 0 0 0  
Cost of sales 0 0 0 0  
Gross profit 0 0 0 0  
Selling, general & administrative expenses (52) (43) (88) (73)  
Engineering expenses 0 0 0 0  
Amortization expense 0 0 0 0  
Income from operations (52) (43) (88) (73)  
Interest expense and other, net (22) (45) (70) (94)  
Income before income taxes (74) (88) (158) (167)  
Depreciation and amortization 4 4 7 8  
Capital expenditures 2 1 5 2  
Segment assets 2,596 1,604 2,596 1,604  
Freight Segment          
Segment Reporting Information [Line Items]          
Total sales 1,919 1,920 3,820 3,744  
Freight Segment | Operating Segments          
Segment Reporting Information [Line Items]          
Total sales 1,919 1,920 3,820 3,744  
Cost of sales (1,222) (1,251) (2,438) (2,450)  
Gross profit $ 697 $ 669 $ 1,382 $ 1,294  
Gross margin 36.30% 34.80% 36.20% 34.60%  
Selling, general & administrative expenses $ (181) $ (165) $ (345) $ (315)  
Engineering expenses (38) (47) (74) (86)  
Amortization expense (63) (66) (128) (134)  
Income from operations 415 391 835 759  
Interest expense and other, net 0 0 0 0  
Income before income taxes 415 391 835 759  
Depreciation and amortization 95 98 192 201  
Capital expenditures 25 33 56 50  
Segment assets 13,390 13,355 13,390 13,355  
Freight Segment | Intersegment eliminations          
Segment Reporting Information [Line Items]          
Total sales 13 12 24 25  
Transit Segment          
Segment Reporting Information [Line Items]          
Total sales 787 724 1,496 1,397  
Transit Segment | Operating Segments          
Segment Reporting Information [Line Items]          
Total sales 787 724 1,496 1,397  
Cost of sales (546) (519) (1,040) (1,002)  
Gross profit $ 241 $ 205 $ 456 $ 395  
Gross margin 30.70% 28.30% 30.50% 28.30%  
Selling, general & administrative expenses $ (114) $ (108) $ (221) $ (209)  
Engineering expenses (12) (10) (22) (19)  
Amortization expense (6) (5) (14) (11)  
Income from operations 109 82 199 156  
Interest expense and other, net 0 0 0 0  
Income before income taxes 109 82 199 156  
Depreciation and amortization 18 16 38 32  
Capital expenditures 12 12 22 25  
Segment assets 4,405 3,917 4,405 3,917  
Transit Segment | Intersegment eliminations          
Segment Reporting Information [Line Items]          
Total sales $ 12 $ 10 $ 21 $ 21