v3.26.1
REPORTABLE SEGMENTS - Schedule of Net sales and expenses by reporting segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting        
Net sales $ 3,648 $ 3,638 $ 7,181 $ 7,153
Cost of sales 2,927 2,998 5,783 5,874
Selling, general and administrative expenses - R&D, net 331 317 659 632
Segment Adjusted Operating Income (Loss) 370 289 706 526
Net sales - customers        
Segment Reporting        
Net sales 3,648 3,638 7,181 7,153
Net sales - inter-segment        
Segment Reporting        
Net sales 0 0 0 0
Operating segments        
Segment Reporting        
Segment Adjusted Operating Income (Loss) 471 442 907 855
Inter-segment eliminations        
Segment Reporting        
Net sales (14) (12) (25) (23)
Inter-segment eliminations | Net sales - customers        
Segment Reporting        
Net sales 0 0 0 0
Inter-segment eliminations | Net sales - inter-segment        
Segment Reporting        
Net sales (14) (12) (25) (23)
Turbos & Thermal Technologies        
Segment Reporting        
Net sales 1,440 1,480 2,872 2,934
Turbos & Thermal Technologies | Operating segments        
Segment Reporting        
Net sales 1,442 1,481 2,875 2,935
Cost of sales 1,137 1,181 2,283 2,332
Selling, general and administrative expenses - R&D, net 48 44 91 85
Selling, general and administrative expenses - Other 32 28 62 55
Other segment items 0 1 0 1
Segment Adjusted Operating Income (Loss) 225 227 439 462
Turbos & Thermal Technologies | Operating segments | Net sales - customers        
Segment Reporting        
Net sales 1,440 1,480 2,872 2,934
Turbos & Thermal Technologies | Operating segments | Net sales - inter-segment        
Segment Reporting        
Net sales 2 1 3 1
Drivetrain & Morse Systems        
Segment Reporting        
Net sales 1,450 1,424 2,868 2,780
Drivetrain & Morse Systems | Operating segments        
Segment Reporting        
Net sales 1,455 1,429 2,877 2,790
Cost of sales 1,134 1,129 2,253 2,208
Selling, general and administrative expenses - R&D, net 32 32 65 61
Selling, general and administrative expenses - Other 11 8 22 18
Other segment items 1 0 0 0
Segment Adjusted Operating Income (Loss) 277 260 537 503
Drivetrain & Morse Systems | Operating segments | Net sales - customers        
Segment Reporting        
Net sales 1,450 1,424 2,868 2,780
Drivetrain & Morse Systems | Operating segments | Net sales - inter-segment        
Segment Reporting        
Net sales 5 5 9 10
PowerDrive Systems        
Segment Reporting        
Net sales 658 575 1,239 1,130
PowerDrive Systems | Operating segments        
Segment Reporting        
Net sales 665 581 1,252 1,142
Cost of sales 586 510 1,099 1,002
Selling, general and administrative expenses - R&D, net 82 93 172 192
Selling, general and administrative expenses - Other 25 15 49 29
Other segment items 1 (4) (3) (5)
Segment Adjusted Operating Income (Loss) (29) (33) (65) (76)
PowerDrive Systems | Operating segments | Net sales - customers        
Segment Reporting        
Net sales 658 575 1,239 1,130
PowerDrive Systems | Operating segments | Net sales - inter-segment        
Segment Reporting        
Net sales 7 6 13 12
Battery Energy Systems        
Segment Reporting        
Net sales 100 159 202 309
Battery Energy Systems | Operating segments        
Segment Reporting        
Net sales 100 159 202 309
Cost of sales 84 151 172 301
Selling, general and administrative expenses - R&D, net 9 10 18 21
Selling, general and administrative expenses - Other 9 9 16 20
Other segment items 0 1 0 1
Segment Adjusted Operating Income (Loss) (2) (12) (4) (34)
Battery Energy Systems | Operating segments | Net sales - customers        
Segment Reporting        
Net sales 100 159 202 309
Battery Energy Systems | Operating segments | Net sales - inter-segment        
Segment Reporting        
Net sales $ 0 $ 0 $ 0 $ 0