Product Warranty and Related Liabilities - Product Warranty and Other Liabilities (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Product Warranty and Related Liabilities [Roll Forward] | ||
| Warranty balance at beginning of period | $ 9,774 | $ 8,242 |
| Warranties issued and assumed in period – recall campaigns | 132 | 120 |
| Warranties issued and assumed in period – product warranty | 461 | 443 |
| Payments | (1,077) | (733) |
| Adjustments to pre-existing warranties | (5) | 11 |
| Effect of foreign currency and other | 17 | (6) |
| Warranty balance at end of period | 9,302 | 8,077 |
| Less: Supplier recoveries balance at end of period | 2,025 | 193 |
| Warranty balance, net of supplier recoveries at end of period | 7,277 | 7,884 |
| Product warranty expense, net of recoveries | ||
| Warranties issued and assumed in period | 593 | 563 |
| Supplier recoveries accrued in period | (57) | (72) |
| Adjustments and other | 12 | 5 |
| Warranty expense, net of supplier recoveries | $ 548 | $ 496 |