Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Variable interest entities (Narrative) (Details)

v3.21.2
Variable interest entities (Narrative) (Details)
$ in Millions
6 Months Ended
Jun. 30, 2021
USD ($)
Variable Interest Entity, Primary Beneficiary | AerFunding  
Variable Interest Entity [Line Items]  
Ownership percentage 100.00%
Ownership percentage of equity investment 5.00%
Long-term Line of Credit $ 1,296.0
Senior Notes $ 1,958.7
Variable Interest Entity, Primary Beneficiary | AerCap Partners I and Aercap Partners 767  
Variable Interest Entity [Line Items]  
Ownership percentage 50.00%
Variable Interest Entity, Primary Beneficiary | Aercap Partners I Holding Limited  
Variable Interest Entity [Line Items]  
Subordinated Debt $ 54.4
Variable Interest Entity, Primary Beneficiary | Aercap Partners767 Holding Limited  
Variable Interest Entity [Line Items]  
Subordinated Debt 32.6
AerCap Holdings N.V. | Aercap Partners I Holding Limited  
Variable Interest Entity [Line Items]  
Subordinated Debt 27.2
AerCap Holdings N.V. | Aercap Partners767 Holding Limited  
Variable Interest Entity [Line Items]  
Subordinated Debt 16.3
Aercap Partners I Holding Limited | Deucalion Aviation Funds  
Variable Interest Entity [Line Items]  
Subordinated Debt 27.2
Aercap Partners767 Holding Limited | Deucalion Aviation Funds  
Variable Interest Entity [Line Items]  
Subordinated Debt $ 16.3