v3.26.1
Product Warranty and Related Liabilities (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Product warranty and related liabilities        
Warranty balance at beginning of period $ 13,605 $ 10,873 $ 13,631 $ 10,571
Warranties issued and assumed in period – recall campaigns 162 471 310 614
Warranties issued and assumed in period – product warranty 1,013 887 1,941 1,676
Payments (1,358) (1,330) (2,774) (2,533)
Adjustments to pre-existing warranties 616 741 947 1,306
Effect of foreign currency and other (15) 56 (31) 64
Warranty balance at end of period 14,023 11,698 14,023 11,698
Less: Supplier recoveries balance at end of period 417 475 417 475
Warranty balance, net of supplier recoveries at end of period 13,606 11,223 13,606 11,223
Product warranty expense, net of recoveries        
Warranties issued and assumed in period 1,176 1,358 2,251 2,290
Supplier recoveries accrued in period (196) (186) (328) (337)
Adjustments and other 601 797 916 1,371
Warranty expense, net of supplier recoveries $ 1,581 $ 1,969 $ 2,838 $ 3,323