Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Debt (Genesis Securitization Debt) (Details)

v2.4.0.6
Debt (Genesis Securitization Debt) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Debt Instrument [Line Items]    
Number of aircraft owned 251  
Property Plant And Equipment, Number Of Aircraft Pledged As Collateral 38  
Number of aircraft pledged as collateral 38  
GFL Securitization Debt [Member]
   
Debt Instrument [Line Items]    
Maturity date of notes Dec. 22, 2032  
Book value of aircraft pledged as collateral for debt $ 900,000,000  
Number of aircraft owned 38 41
Credit Agricole [Member] | GFL Securitization Debt [Member]
   
Debt Instrument [Line Items]    
Credit facility, amount $ 60,000,000