Customer Financing (Schedule of Customer Financing Carrying Values Related to Major Aircraft Concentrations) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Customer Financing [Line Items]
Gross customer financing	$ 4,020		$ 4,480
Operating lease equipment	1,734		2,038
717 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	1,674	[1]	1,781	[1]
Operating lease equipment	444	[1]	465	[1]
757 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	453	[1]	561	[1]
Operating lease equipment	402	[1]	454	[1]
MD-80 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	411	[1]	446	[1]
Operating lease equipment	0	[1]	0	[1]
B747 aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	286		221
Operating lease equipment	183		221
787 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	273		286
Operating lease equipment	273		286
MD-11 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	220	[1]	269	[1]
Operating lease equipment	220	[1]	269	[1]
737 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	210		316
Operating lease equipment	138		193
767 Aircraft [Member]
Customer Financing [Line Items]
Gross customer financing	207		223
Operating lease equipment	$ 60		$ 63

[1] Out-of-production aircraft