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

Debt (AerFunding Revolving Credit Facility, AerTurbine Revolving Credit Agreement and Other Secured Debt Narrative) (Details)

v3.6.0.2
Debt (AerFunding Revolving Credit Facility, AerTurbine Revolving Credit Agreement and Other Secured Debt Narrative) (Details)
1 Months Ended 12 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2016
USD ($)
item
Feb. 28, 2017
USD ($)
Aug. 31, 2016
USD ($)
May 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Nov. 30, 2014
USD ($)
Apr. 30, 2006
USD ($)
Debt Instrument [Line Items]                
Long-term Debt   $ 27,716,999,000       $ 29,641,863,000    
Collateral (Number of aircraft) | item   540            
AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Credit facility, current borrowing capacity $ 2,160,000,000             $ 1,000,000,000
Debt Instrument, Collateral Amount   $ 767,100,000,000            
Debt Instrument, Maturity Date Dec. 09, 2019              
Required cash reserve as a percentage of outstanding borrowings   5.00%            
AeroTurbine Revolving Credit Agreement [Member]                
Debt Instrument [Line Items]                
Credit facility, current borrowing capacity       $ 200,000,000 $ 400,000,000   $ 550,000,000  
Spread over reference rate   2.50%            
SkyFunding I Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   6            
Floating rate tranches   $ 126,716,000            
Spread over reference rate   2.85%            
SkyFunding I Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   6            
Fixed rate tranches   $ 125,634,000            
Stated interest rate   4.43%            
SkyFunding II Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   6            
Floating rate tranches   $ 141,179,000            
Spread over reference rate   3.15%            
SkyFunding II Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   3            
Fixed rate tranches   $ 66,699,000            
Stated interest rate   4.43%            
Camden Facility [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   7            
Fixed rate tranches   $ 164,162,000            
Stated interest rate   3.90%            
Debt, Maturity   2022            
AerCap Partners I Facility [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   8            
Floating rate tranches   $ 81,537,000            
Spread over reference rate   1.65%            
Debt, Maturity   2018            
StratusFunding Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   2            
Floating rate tranches   $ 155,236,000            
Spread over reference rate   1.95%            
Debt, Maturity   2026            
StratusFunding Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   2            
Fixed rate tranches   $ 154,901,000            
Stated interest rate   3.93%            
CieloFunding Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   1            
Floating rate tranches   $ 42,350,000            
Stated interest rate   2.60%            
Debt, Maturity   2020            
CieloFunding Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   2            
Fixed rate tranches   $ 67,407,000            
Stated interest rate   3.68%            
Debt, Maturity   2020            
CieloFunding II Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   1            
Floating rate tranches   $ 30,095,000            
Stated interest rate   2.10%            
Debt, Maturity   2020            
CieloFunding II Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   1            
Fixed rate tranches   $ 31,888,000            
Stated interest rate   3.14%            
Debt, Maturity   2020            
CloudFunding Facilities [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   15            
Fixed rate tranches   $ 231,247,000            
Stated interest rate   3.98%            
LimelightFunding Facility [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   2            
Fixed rate tranches   $ 157,479,000            
Stated interest rate   4.70%            
Debt, Maturity   2026            
Secured Commercial Bank Financings Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   34            
Floating rate tranches   $ 844,111,000            
Stated interest rate   2.19%            
Number of engines | item   3            
Secured Commercial Bank Financings Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Collateral (Number of aircraft) | item [1]   12            
Fixed rate tranches   $ 249,684,000            
Stated interest rate   3.36%            
Other Secured Debt [Member]                
Debt Instrument [Line Items]                
Credit facility amount outstanding   $ 2,670,325,000            
Collateral (Number of aircraft) | item [1]   108            
Minimum [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Aircraft purchases, maximum percentage financed   73.50%            
Unused loan commitment fee, percentage   0.375%            
Minimum [Member] | SkyFunding I Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2021            
Minimum [Member] | SkyFunding I Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2021            
Minimum [Member] | SkyFunding II Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2022            
Minimum [Member] | SkyFunding II Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2022            
Minimum [Member] | StratusFunding Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2021            
Minimum [Member] | CloudFunding Facilities [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2022            
Minimum [Member] | Secured Commercial Bank Financings Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2017            
Minimum [Member] | Secured Commercial Bank Financings Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2017            
Maximum [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Aircraft purchases, maximum percentage financed   80.00%            
Unused loan commitment fee, percentage   0.50%            
Maximum [Member] | SkyFunding I Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2022            
Maximum [Member] | SkyFunding I Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2022            
Maximum [Member] | SkyFunding II Facility Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2023            
Maximum [Member] | SkyFunding II Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2023            
Maximum [Member] | StratusFunding Facility Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2026            
Maximum [Member] | CloudFunding Facilities [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2026            
Maximum [Member] | Secured Commercial Bank Financings Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2026            
Maximum [Member] | Secured Commercial Bank Financings Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Debt, Maturity   2034            
Charitable Trust [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Ownership percentage   95.00%            
AerCap Ireland [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Ownership percentage   5.00%            
Revolving Period [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Credit facility, term 3 years              
Term Loan [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Credit facility, term 2 years              
Borrowing Period [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Spread over reference rate [2]   2.25%            
Debt Instrument, Maturity Date   Dec. 09, 2017            
Period from December 10, 2017 to December 9, 2018 [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Spread over reference rate   3.25%            
Period from December 10, 2018 to December 9, 2019 [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Spread over reference rate   3.75%            
Secured Debt [Member]                
Debt Instrument [Line Items]                
Long-term Debt   $ 11,518,140,000       12,623,288,000    
Secured Debt [Member] | AerFunding Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Long-term Debt   $ 596,819,000       1,058,294,000    
Collateral (Number of aircraft) | item   15            
Debt, Maturity   2019            
Secured Debt [Member] | AeroTurbine Revolving Credit Agreement [Member]                
Debt Instrument [Line Items]                
Long-term Debt [3]   $ 125,000,000       $ 321,603,000    
Debt, Maturity [3]   2019            
Subsequent Event [Member] | AeroTurbine Revolving Credit Agreement [Member]                
Debt Instrument [Line Items]                
Credit facility, current borrowing capacity     $ 0          
[1] Three engines are pledged as collateral in addition to the aircraft.
[2] The borrowing period is until December 9, 2017, after which the loan converts to a term loan.
[3] AeroTurbine's assets served as collateral for the AeroTurbine revolving credit agreement.