v3.25.2
Segments and Concentrations (Tables)
 6 Months Ended
Jun. 30, 2025
Risks and Uncertainties [Abstract]  
Summary of Net Sales by Region
Sales concentration - Net sales by region (determined based on country of shipment) and product line are as follows:
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
(Dollars in millions)
United States$178 $174 $354 $352 
Europe
     United Kingdom92 80 177 164 
     Rest of Europe369 354 709 739 
Asia
     China151 161 304 319 
     Rest of Asia99 102 203 196 
Other International24 19 44 35 
$913 $890 $1,791 $1,805 
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
(Dollars in millions)
Diesel$217 $220 $425 $461 
Gas398 375 801 763 
Commercial Vehicle170 161 325 322 
Aftermarket111 121 209 233 
Other17 13 31 26 
$913 $890 $1,791 $1,805 
Schedule of Segment Reporting Information, by Segment
The table below provides segment information about the Company:
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
(Dollars in millions)
Net sales$913 $890 $1,791 $1,805 
Less:
   Material costs513 517 1,014 1,054 
   Variable manufacturing costs (1)
123 95 221 191 
   Fixed manufacturing costs (2)
51 52 110 118 
   Research, development and engineering
    costs		45 41 85 85 
   Selling, general and administrative costs59 61 118 125 
   Interest expense25 62 54 93 
   Income tax expense15 23 38 38 
   Other segment items (3)
(5)(25)2 (29)
Consolidated net income$87 $64 $149 $130 
(1) Variable manufacturing costs include freight, duties, direct and indirect labor costs, repairs and maintenance, repositioning costs and variable overhead costs.
(2) Fixed manufacturing costs include depreciation and amortization, rent, overhead labor costs, utilities and other fixed costs.
(3) Other segment items consist of gain on sale of equity interest in unconsolidated joint venture, non-service components of net periodic pension expense, interest income, equity income and other non-operating income items (if any).