Liabilities, Commitments and Contingencies - Schedule of 737 Max Customer Concessions and Other Considerations Liability (Details) - B-737 - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Customer Concession And Other Consideration Liability [Roll Forward] | ||
| Beginning balance – January 1 | $ 641 | $ 1,327 |
| Reductions for payments made | (64) | (681) |
| Reductions for concessions and other in-kind considerations | (66) | (221) |
| Changes in estimates | (5) | 510 |
| Ending balance – June 30 | $ 506 | $ 935 |