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

Share-based compensation (Stock options) (Details)

v3.8.0.1
Share-based compensation (Stock options) (Details)
12 Months Ended
Dec. 31, 2017
$ / shares
shares
Genesis [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options grated (in shares) 2,100
Equity Incentive Plan 2012  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options grated (in shares) 0
Equity Incentive Plan 2014  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of options grated (in shares) 0
Equity Incentive Plan 2006  
Number of options  
Options outstanding at beginning of period (in shares) 140,045
Exercised (in shares) (102,100)
Options outstanding at end of period (in shares) 37,945 [1]
Weighted average exercise price ($)  
Options outstanding at beginning of period (in USD per share) | $ / shares $ 6.02
Exercised (in USD per share) | $ / shares 3.41
Options outstanding at end of period (in USD per share) | $ / shares $ 13.02 [1]
[1] Includes 2,100 AER options granted to former Genesis directors and employees at the closing of the amalgamation with Genesis on March 25, 2010. These options were issued pursuant to a separate board resolution, and not under any of the AerCap Holdings N.V. Equity Plans. They have all vested as of December 31, 2017.