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

Commitments and contingencies (Narrative) (Details)

v3.19.3.a.u2
Commitments and contingencies (Narrative) (Details)
1 Months Ended 12 Months Ended
Oct. 24, 2014
USD ($)
claim
Mar. 16, 2009
USD ($)
Feb. 23, 2006
USD ($)
Feb. 29, 2020
aircraft
Oct. 31, 2013
claim
Jul. 31, 2011
USD ($)
claim
Dec. 31, 2019
USD ($)
aircraft
Jul. 31, 2006
lease
Dec. 31, 1992
aircraft
engine
Jan. 01, 1990
aircraft
engine
Unit
Loss Contingencies [Line Items]                    
Non-refundable deposits             $ 2,500,000,000      
VASP Litigation                    
Loss Contingencies [Line Items]                    
Damages suffered     $ 0              
Damages awarded $ 36,900,000 $ 40,000,000                
VASP Litigation | Judicial Ruling                    
Loss Contingencies [Line Items]                    
Number of judgments | claim 2                  
VASP Litigation | VASP Litigation English Court                    
Loss Contingencies [Line Items]                    
Number of leases that company incurred obligations due to another company's default | lease               7    
Claim award for loss of profit plus accrued interest $ 40,000,000                  
VASP Litigation | VASP Litigation Irish Court                    
Loss Contingencies [Line Items]                    
Number of leases that company incurred obligations due to another company's default | lease               9    
Claim award for loss of profit plus accrued interest $ 24,000,000                  
VASP Litigation | Aircraft                    
Loss Contingencies [Line Items]                    
Number of capital leased assets | aircraft                 13  
Number of leases that company incurred obligations due to another company's default | aircraft                 13  
VASP Litigation | Engines                    
Loss Contingencies [Line Items]                    
Number of capital leased assets | engine                 3  
Number of leases that company incurred obligations due to another company's default | engine                 3  
Transbrasil Litigation                    
Loss Contingencies [Line Items]                    
Damages suffered           $ 0        
Number of actions | claim           3        
Aggregate amount due from AerCap           $ 210,000,000        
Number of claims dismissed | claim         2          
Transbrasil Litigation | Recovery of Attorneys' Fees                    
Loss Contingencies [Line Items]                    
Number of actions | claim           1        
Transbrasil Litigation | Indemnity Claim                    
Loss Contingencies [Line Items]                    
Number of actions | claim           1        
Transbrasil Litigation | Statutory Penalties                    
Loss Contingencies [Line Items]                    
Number of actions | claim           1        
Transbrasil Litigation | Aircraft                    
Loss Contingencies [Line Items]                    
Number of capital leased assets | aircraft                   1
Transbrasil Litigation | Engines                    
Loss Contingencies [Line Items]                    
Number of capital leased assets | engine                   2
Number of AerCap lessors | Unit                   2
Capital Addition Purchase Commitments                    
Loss Contingencies [Line Items]                    
Number of forward orders | aircraft             299      
Capital Addition Purchase Commitments | Flight Equipment                    
Loss Contingencies [Line Items]                    
Number of forward orders | aircraft             297      
Airbus 320 neoFamily Aircraft | Subsequent Event | Capital Addition Purchase Commitments | Flight Equipment                    
Loss Contingencies [Line Items]                    
Number of forward orders | aircraft       50