Customer Financing (Carrying Values Related to Major Aircraft Concentrations) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Customer Financing [Line Items]
Operating leases	$ 477	$ 474
B-717
Customer Financing [Line Items]
Customer financing carrying value	567	603
Operating leases	53	62
B747-8
Customer Financing [Line Items]
Customer financing carrying value	394	435
B-737
Customer Financing [Line Items]
Customer financing carrying value	189	163
Operating leases	176	145
B-777
Customer Financing [Line Items]
Customer financing carrying value	212	233
Operating leases	212	225
MD 80 Aircraft
Customer Financing [Line Items]
Customer financing carrying value	136	142
B-757
Customer Financing [Line Items]
Customer financing carrying value	112	126
B747-400
Customer Financing [Line Items]
Customer financing carrying value	47	50
Operating leases	$ 0	$ 1