Liabilities, Commitments and Contingencies - Schedule of 737 Max Customer Concessions and Other Considerations Liability (Details) - B-737 - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Customer Concession And Other Consideration Liability [Roll Forward]
Beginning balance – January 1	$ 1,327	$ 1,864
Reductions for payments made	(767)	(304)
Reductions for concessions and other in-kind considerations	(256)	(55)
Changes in estimates	510	(54)
Ending balance – September 30	$ 814	$ 1,451