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

Commitments And Contingencies (Narrative) (Details)

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Commitments And Contingencies (Narrative) (Details)
1 Months Ended 12 Months Ended
Mar. 31, 2009
USD ($)
Dec. 31, 2015
USD ($)
item
contract
Dec. 31, 2014
USD ($)
Jul. 31, 2011
USD ($)
Jul. 31, 2006
item
Loss Contingencies [Line Items]          
Number of aircraft | item   1,109      
Number of asset value guarantees settled | item   3      
Gain from the settlement of asset value guarantees   $ 22,600,000      
Guarantee carrying value   $ 47,380,000 $ 133,500,000    
Asset Value Guarantees [Member]          
Loss Contingencies [Line Items]          
Number of asset value guarantees settled | item   3      
Number of asset value guarantees outstanding | contract   8      
Asset guarantee loss provisions   $ 0 0    
Guarantee carrying value   37,500,000 $ 133,500,000    
Maximum aggregate potential commitment   168,400,000      
Other Guarantees [Member]          
Loss Contingencies [Line Items]          
Guarantee carrying value   9,900,000      
Maximum aggregate potential commitment   $ 22,400,000      
Number of aircraft sold with a guarantee of the future lease cash flows | item   4      
VASP Litigation [Member]          
Loss Contingencies [Line Items]          
Number of leases that company incurred obligations due to another company's default | item   9     7
Claim award for loss of profit plus accrued interest $ 40,000,000        
Damages awarded   $ 36,900,000      
Transbrasil Litigation [Member]          
Loss Contingencies [Line Items]          
Aggregate amount due from AerCap       $ 210,000,000  
Purchase Obligations [Member]          
Loss Contingencies [Line Items]          
Number of aircraft | item   447      
Boeing [Member]          
Loss Contingencies [Line Items]          
Non-refundable deposits   $ 526,800,000      
Airbus [Member]          
Loss Contingencies [Line Items]          
Non-refundable deposits   403,800,000      
Embraer [Member]          
Loss Contingencies [Line Items]          
Non-refundable deposits   $ 7,500,000      
Aircraft [Member] | VASP Litigation [Member]          
Loss Contingencies [Line Items]          
Number of capital leased assets | item   13      
Engines [Member] | VASP Litigation [Member]          
Loss Contingencies [Line Items]          
Number of capital leased assets | item   3