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

Related party transactions (Details)

v3.19.3.a.u2
Related party transactions (Details)
3 Months Ended 12 Months Ended
Sep. 30, 2019
aircraft
Mar. 31, 2019
aircraft
Dec. 31, 2019
USD ($)
aircraft
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Related Party Transaction [Line Items]          
Number of aircraft sold | aircraft 1 6      
Share repurchase (in shares)     $ 607,343,000 $ 726,640,000 $ 1,124,724,000
AerCap Partners I          
Related Party Transaction [Line Items]          
Number of aircraft sold | aircraft     4    
Executive officer          
Related Party Transaction [Line Items]          
Share repurchase (in shares)     $ 39,600    
Share repurchase, aggregate sales price     1,800,000    
Waha Capital PJSC          
Related Party Transaction [Line Items]          
Share repurchase (in shares)     2,427,790    
Share repurchase, aggregate sales price     $ 144,800,000