Liabilities, Commitments and Contingencies - Schedule of 737 Max Customer Concessions and Other Considerations Liability (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Customer Concession And Other Consideration Liability [Roll Forward]
Ending balance – March 31	$ 1,700
B-737
Customer Concession And Other Consideration Liability [Roll Forward]
Beginning balance – January 1	1,864	$ 2,940
Reductions for payments made	(141)	(550)
Reductions for concessions and other in-kind considerations		(5)
Changes in estimates		34
Ending balance – March 31	$ 1,723	$ 2,419