Customer Financing (Carrying Values Related to Major Aircraft Concentrations) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Customer Financing [Line Items]
Operating leases	$ 483	$ 474
B-717
Customer Financing [Line Items]
Customer financing carrying value	580	603
Operating leases	55	62
B747-8
Customer Financing [Line Items]
Customer financing carrying value	394	435
B-737
Customer Financing [Line Items]
Customer financing carrying value	196	163
Operating leases	184	145
B-777
Customer Financing [Line Items]
Customer financing carrying value	218	233
Operating leases	211	225
MD 80 Aircraft
Customer Financing [Line Items]
Customer financing carrying value	139	142
B-757
Customer Financing [Line Items]
Customer financing carrying value	118	126
B747-400
Customer Financing [Line Items]
Customer financing carrying value	48	50
Operating leases	$ 0	$ 1