CONTINGENCIES, COMMITMENTS AND GUARANTEES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Future minimum lease payments under operating leases
2013	$ 390,000,000
2014	282,000,000
2015	207,000,000
2016	171,000,000
2017	138,000,000
Remaining years after 2017	310,000,000
Total	1,498,000,000
Rent expense	445,000,000	482,000,000	587,000,000
Other Commitments
Other Commitments	2,300,000,000
Flight Equipment
HELD-FOR-SALE CLASSIFICATION
Number of used aircraft	5
Number of new spare engines deliverable	9
Minimum future rental income
2013	3,854,000,000
2014	3,344,000,000
2015	2,631,000,000
2016	2,001,000,000
2017	1,347,000,000
Remaining years after 2017	1,628,000,000
Total	14,805,000,000
Flight Equipment | Minimum
Minimum future rental income
Remaining terms of operating leases	1 year
Flight Equipment | Maximum
Minimum future rental income
Remaining terms of operating leases	14 years
International Lease Finance Corporation (ILFC) | Flight Equipment
HELD-FOR-SALE CLASSIFICATION
Aggregate estimated total remaining payments	17,500,000,000
International Lease Finance Corporation (ILFC) | New Aircraft
HELD-FOR-SALE CLASSIFICATION
Purchase commitment, number of aircraft purchased	229
International Lease Finance Corporation (ILFC) | Additional Aircraft
HELD-FOR-SALE CLASSIFICATION
Purchase commitment, number of aircraft purchased	4
International Lease Finance Corporation (ILFC) | A320 New Engine Option (neo)
HELD-FOR-SALE CLASSIFICATION
Number of additional aircraft the entity has the right to purchase	50
Segment Discontinued Operations
Future minimum lease payments under operating leases
Rent expense	$ 16,000,000	$ 37,000,000	$ 129,000,000