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 ($)
Dec. 31, 2016
USD ($)
item
contract
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Jul. 31, 2011
USD ($)
Jul. 31, 2006
item
Loss Contingencies [Line Items]            
Number of aircraft | item   1,022        
Number of asset value guarantees settled | item     3      
Guarantee carrying value   $ 51,804,000 $ 47,380,000      
Asset Value Guarantees [Member]            
Loss Contingencies [Line Items]            
Number of asset value guarantees outstanding | contract   8        
Asset guarantee loss provisions   $ 0 0      
Guarantee carrying value   37,500,000 37,500,000      
Maximum aggregate potential commitment   168,400,000        
Other Guarantees [Member]            
Loss Contingencies [Line Items]            
Guarantee carrying value   14,300,000 $ 9,900,000      
Maximum aggregate potential commitment   $ 34,200,000        
Number of aircraft sold with a guarantee of the future lease cash flows | item   4        
Number of aircraft sold with a guarantee of the replacement lease rental cash flows | item   3        
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   420        
Boeing [Member]            
Loss Contingencies [Line Items]            
Non-refundable deposits   $ 636,200,000        
Airbus [Member]            
Loss Contingencies [Line Items]            
Non-refundable deposits   667,300,000        
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