v3.26.3
REPORTABLE SEGMENTS - Schedule of Earnings before interest and income taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Segment Reporting          
Restructuring expense (Note 5) $ 50 $ 23 $ 89 $ 71  
Intangible asset amortization expense 13 16 43 49  
Accelerated depreciation 11 60 20 81  
Adjustments associated with Spin-Off related balances 0 8 1 7  
Legal settlement (Note 20) 0 38 0 38  
Impairment charges 0 0 0 42  
Write-off of customer incentive asset 0 0 0 7  
Costs to exit charging business 0 0 0 32  
Chief executive officer ("CEO") transition compensation 0 5 0 11  
Loss on sale of assets 0 1 0 6  
Loss on sale of businesses 0 1 0 2  
Insurance recovery (Note 12) 0 (21) 0 (21)  
Merger and acquisition expense (income), net 1 2 (1) 4  
Other non-comparable items 4 4 6 7  
Equity in affiliates’ (earnings) loss, net of tax (10) (11) (26) (29)  
Unrealized (gain) loss on equity securities (4) (1) (7) (2)  
Interest expense (income), net 6 9 27 33  
Other postretirement expense (income) 12 3 16 8  
Earnings before income taxes and noncontrolling interest 298 248 998 764  
Depreciation and amortization 153 219 447 553  
Long-lived asset expenditures 125 111 364 307  
Total assets 13,216   13,216   $ 13,769
Operating segments          
Segment Reporting          
Segment Adjusted Operating Income (Loss) 443 444 1,350 1,299  
Depreciation and amortization 146 209 426 529  
Long-lived asset expenditures 125 109 360 299  
Total assets 11,474   11,474   11,161
Corporate          
Segment Reporting          
Corporate, including stock-based compensation 62 59 184 189  
Depreciation and amortization 7 10 21 24  
Long-lived asset expenditures 0 2 4 8  
Total assets 1,742   1,742   2,608
Turbos & Thermal Technologies | Operating segments          
Segment Reporting          
Segment Adjusted Operating Income (Loss) 201 219 640 681  
Depreciation and amortization 42 43 121 125  
Long-lived asset expenditures 60 46 164 115  
Total assets 3,896   3,896   3,743
Drivetrain & Morse Systems | Operating segments          
Segment Reporting          
Segment Adjusted Operating Income (Loss) 250 267 787 770  
Depreciation and amortization 55 47 147 166  
Long-lived asset expenditures 27 26 83 67  
Total assets 3,794   3,794   3,795
PowerDrive Systems | Operating segments          
Segment Reporting          
Segment Adjusted Operating Income (Loss) (5) (35) (70) (111)  
Depreciation and amortization 45 44 142 132  
Long-lived asset expenditures 36 33 108 101  
Total assets 3,357   3,357   3,163
Battery Energy Systems | Operating segments          
Segment Reporting          
Segment Adjusted Operating Income (Loss) (3) (7) (7) (41)  
Depreciation and amortization 4 75 16 106  
Long-lived asset expenditures 2 $ 4 5 $ 16  
Total assets $ 427   $ 427   $ 460