v3.25.4
Debt - Schedule of Indebtedness (Details)
$ in Thousands
Dec. 31, 2025
USD ($)
assetPledgedAsCollateral
helicopter
engine
aircraft
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]    
Collateral (number of assets) | assetPledgedAsCollateral 330  
Commitment $ 54,807,653  
Undrawn amounts 11,001,391  
Debt issuance costs, debt discounts and debt premium (240,983) $ (242,984)
Debt $ 43,565,321 45,294,511
Number of aircraft pledged as collateral | aircraft 242  
Number of engines pledged as collateral | engine 83  
Number of helicopters pledged as collateral | helicopter 5  
Unsecured    
Debt Instrument [Line Items]    
Commitment $ 44,170,452  
Undrawn amounts 9,925,000  
Amount outstanding 34,245,452 34,750,000
Unsecured | AerCap Trust & AICDC Notes    
Debt Instrument [Line Items]    
Commitment 29,000,000  
Undrawn amounts 0  
Amount outstanding $ 29,000,000 29,950,000
Weighted average interest rate 3.99%  
Unsecured | Asia and Citi revolving credit facilities    
Debt Instrument [Line Items]    
Commitment $ 9,950,000  
Undrawn amounts 9,925,000  
Amount outstanding $ 25,000 25,000
Weighted average interest rate 5.39%  
Unsecured | Other unsecured debt    
Debt Instrument [Line Items]    
Commitment $ 5,220,452  
Undrawn amounts 0  
Amount outstanding $ 5,220,452 4,775,000
Weighted average interest rate 5.01%  
Secured    
Debt Instrument [Line Items]    
Commitment $ 8,387,201  
Undrawn amounts 1,076,391  
Amount outstanding $ 7,310,852 8,537,495
Secured | Export credit facilities    
Debt Instrument [Line Items]    
Collateral (number of assets) | assetPledgedAsCollateral 40  
Commitment $ 1,003,129  
Undrawn amounts 0  
Amount outstanding $ 1,003,129 974,269
Weighted average interest rate 3.18%  
Additional commitment $ 900,000  
Secured | Institutional secured term loans & secured portfolio loans    
Debt Instrument [Line Items]    
Collateral (number of assets) | assetPledgedAsCollateral 190  
Commitment $ 5,292,379  
Undrawn amounts 0  
Amount outstanding $ 5,292,379 6,238,520
Weighted average interest rate 4.87%  
Number of aircraft pledged as collateral | aircraft 177  
Number of engines pledged as collateral | engine 13  
Secured | AerFunding Revolving Credit Facility    
Debt Instrument [Line Items]    
Collateral (number of assets) | assetPledgedAsCollateral 22  
Commitment $ 1,750,000  
Undrawn amounts 947,164  
Amount outstanding $ 802,836 1,010,699
Weighted average interest rate 5.47%  
Secured | Other secured debt    
Debt Instrument [Line Items]    
Collateral (number of assets) | assetPledgedAsCollateral 78  
Commitment $ 341,693  
Undrawn amounts 129,227  
Amount outstanding $ 212,466 313,651
Weighted average interest rate 5.76%  
Secured | Fair value adjustment    
Debt Instrument [Line Items]    
Commitment $ 0  
Undrawn amounts 0  
Amount outstanding 42 356
Subordinated    
Debt Instrument [Line Items]    
Commitment 2,250,000  
Undrawn amounts 0  
Amount outstanding 2,250,000 2,250,000
Subordinated | Subordinated notes    
Debt Instrument [Line Items]    
Commitment 2,250,000  
Undrawn amounts 0  
Amount outstanding $ 2,250,000 $ 2,250,000
Weighted average interest rate 6.63%  
Floating Rate Debt    
Debt Instrument [Line Items]    
Debt $ 10,900,000