Commitments - Extended Warranty Liability (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
|
| Movement in deferred income | |||
| Amortization of deferred revenue | $ (4,000) | ||
| Current portion | 13,526 | $ 12,518 | |
| Noncurrent portion | 3,423 | $ 3,577 | |
| Extended Warranty | |||
| Movement in deferred income | |||
| Beginning Balance | 350 | $ 425 | |
| Revenue deferred for new extended warranty contracts | 18 | 18 | |
| Amortization of deferred revenue | (44) | (53) | |
| Other | (1) | (6) | |
| Ending Balance | 323 | 383 | |
| Current portion | 155 | 199 | |
| Noncurrent portion | $ 168 | $ 185 | |