Liabilities, Commitments and Contingencies - Schedule of 737 Max Customer Concessions and Other Considerations Liability (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Customer Concession And Other Consideration Liability [Roll Forward]
Ending balance – June 30	$ 1,500
B-737
Customer Concession And Other Consideration Liability [Roll Forward]
Beginning balance – January 1	1,864	$ 2,940
Reductions for payments made	(273)	(844)
Reductions for concessions and other in-kind considerations	(51)	(5)
Changes in estimates	(26)	17
Ending balance – June 30	$ 1,514	$ 2,108