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, 2024	Jun. 30, 2023
Customer Concession And Other Consideration Liability [Roll Forward]
Beginning balance – January 1	$ 1,327	$ 1,864
Reductions for payments made	(681)	(273)
Reductions for concessions and other in-kind considerations	(221)	(51)
Changes in estimates	510	(26)
Ending balance – June 30	$ 935	$ 1,514