v3.25.2
REPORTABLE SEGMENTS AND RELATED INFORMATION - Schedule of Segment Revenues and Significant Expenses (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]        
Net sales $ 890 $ 868 $ 1,686 $ 1,731
Cost of sales 693 680 1,317 1,351
Selling, general and administrative expenses (excluding Net R&D costs shown separately below) 112 112 219 216
Net R&D costs 30 30 58 57
Segment AOI 89 71 151 142
Net sales to external customers        
Segment Reporting Information [Line Items]        
Net sales 890 868 1,686 1,731
Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Net sales 0 0 0 0
Fuel Systems        
Segment Reporting Information [Line Items]        
Net sales 537 518 1,010 1,045
Aftermarket        
Segment Reporting Information [Line Items]        
Net sales 353 350 676 686
Operating Segments        
Segment Reporting Information [Line Items]        
Segment AOI 119 105 216 220
Operating Segments | Fuel Systems        
Segment Reporting Information [Line Items]        
Net sales 592 587 1,120 1,163
Cost of sales 487 489 931 971
Selling, general and administrative expenses (excluding Net R&D costs shown separately below) 17 18 32 34
Net R&D costs 27 28 52 52
Other segment items (1) 0 (2) (1)
Segment AOI 62 52 107 107
Operating Segments | Fuel Systems | Net sales to external customers        
Segment Reporting Information [Line Items]        
Net sales 537 518 1,010 1,045
Operating Segments | Aftermarket        
Segment Reporting Information [Line Items]        
Net sales 353 355 676 693
Cost of sales 261 264 496 504
Selling, general and administrative expenses (excluding Net R&D costs shown separately below) 32 35 63 69
Net R&D costs 3 2 6 5
Other segment items 0 1 2 2
Segment AOI 57 53 109 113
Operating Segments | Aftermarket | Net sales to external customers        
Segment Reporting Information [Line Items]        
Net sales 353 350 676 686
Inter-segment Eliminations        
Segment Reporting Information [Line Items]        
Net sales (55) (74) (110) (125)
Inter-segment Eliminations | Net sales to external customers        
Segment Reporting Information [Line Items]        
Net sales 0 0 0
Inter-segment Eliminations | Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Net sales (55) (74) (110) (125)
Inter-segment Eliminations | Fuel Systems | Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Net sales 55 69 110 118
Inter-segment Eliminations | Aftermarket | Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Net sales $ 0 $ 5 $ 0 $ 7