v3.25.2
Changes in Accumulated Other Comprehensive Income AOCI Reclassifications (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Cost of sales $ 4,211 $ 4,083 $ 8,116 $ 8,106
Income Tax Expense (Benefit) (45) (51) (401) (127)
Net income 397 943 386 1,167
Net income attributable to noncontrolling interest (5) (5) (6) (11)
Net income attributable to Aptiv 393 938 382 1,156
Amount Reclassified from Accumulated Other Comprehensive Income        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net income attributable to Aptiv 1 50 0 94
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes (6) 53 (10) 97
Income Tax Expense (Benefit) 2 (2) 5 (2)
Net income (4) 51 (5) 95
Net income attributable to noncontrolling interest 0 0 0 0
Net income attributable to Aptiv (4) 51 (5) 95
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives | Commodity derivatives        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Cost of sales 6 9 10 5
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives | Foreign currency derivatives        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Cost of sales (12) 44 (20) 92
Amount Reclassified from Accumulated Other Comprehensive Income | Pension and postretirement plans        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes (1) (1) (1) (1)
Income Tax Expense (Benefit) 0 0 0 0
Net income (1) (1) (1) (1)
Net income attributable to noncontrolling interest 0 0 0 0
Net income attributable to Aptiv (1) (1) (1) (1)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax (1) (1) (1) (1)
Amount Reclassified from Accumulated Other Comprehensive Income | Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before income taxes 6 0 6 0
Income Tax Expense (Benefit) 0 0 0 0
Net income 6 0 6 0
Net income attributable to noncontrolling interest 0 0 0 0
Net income attributable to Aptiv 6 0 6 0
Other income (expense), net $ 6 $ 0 $ 6 $ 0