v3.25.4
Debt - Schedule of AerCap Trust & AICDC Notes (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Maturities of Long-term Debt [Abstract]    
2026 $ 6,219,771  
2027 7,349,675  
2028 9,312,710  
2029 4,836,895  
2030 2,108,120  
Thereafter 13,979,091  
Unsecured    
Maturities of Long-term Debt [Abstract]    
Debt 34,245,452 $ 34,750,000
Unsecured | AerCap Trust & AICDC Notes    
Maturities of Long-term Debt [Abstract]    
2026 5,250,000  
2027 4,000,000  
2028 6,050,000  
2029 2,100,000  
2030 1,450,000  
Thereafter 10,150,000  
Debt $ 29,000,000 $ 29,950,000