Customer Financing (Schedule of Customer Financing Carrying Values Related to Major Aircraft Concentrations) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Customer Financing [Line Items]
Operating lease equipment	$ 474	$ 715
B-717 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	603	637
Operating lease equipment	62	98
B-747-8 [Member]
Customer Financing [Line Items]
Gross customer financing	435	480
Operating lease equipment	0	121
B-737 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	163	235
Operating lease equipment	145	214
B-777 [Member]
Customer Financing [Line Items]
Gross customer financing	233	225
Operating lease equipment	225	216
MD-80 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	142	167
B-757 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	126	147
Operating lease equipment	0	4
B-747-400 aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	50	71
Operating lease equipment	$ 1	$ 19