Lease Rental Revenues and Flight Equipment Held for Lease (Details 1)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Geographic concentration of lease rental revenue earnings
Percentage of geographic concentration of lease rental revenue earnings	100.00%	100.00%	100.00%	100.00%
Europe [Member]
Geographic concentration of lease rental revenue earnings
Percentage of geographic concentration of lease rental revenue earnings	37.00%	44.00%	40.00%	45.00%
Asia and Pacific [Member]
Geographic concentration of lease rental revenue earnings
Percentage of geographic concentration of lease rental revenue earnings	33.00%	25.00%	30.00%	24.00%
North America [Member]
Geographic concentration of lease rental revenue earnings
Percentage of geographic concentration of lease rental revenue earnings	12.00%	12.00%	12.00%	13.00%
Latin America [Member]
Geographic concentration of lease rental revenue earnings
Percentage of geographic concentration of lease rental revenue earnings	7.00%	7.00%	7.00%	8.00%
Middle East and Africa [Member]
Geographic concentration of lease rental revenue earnings
Percentage of geographic concentration of lease rental revenue earnings	11.00%	12.00%	11.00%	10.00%