Liabilities, Commitments and Contingencies - Schedule of 737 Max Customer Concessions and Other Considerations Liability (Details) - B-737 - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Customer Concession And Other Consideration Liability [Roll Forward]
Beginning balance – January 1	$ 1,327	$ 1,864
Reductions for payments made	(553)	(141)
Changes in estimates	510
Ending balance – March 31	$ 1,284	$ 1,723