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

Variable Interest Entities (Narrative) (Details)

v3.3.1.900
Variable Interest Entities (Narrative) (Details)
1 Months Ended 12 Months Ended
Jun. 01, 2011
Jun. 30, 2013
item
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Dec. 31, 2012
Dec. 31, 2010
item
Oct. 15, 2015
USD ($)
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     1,109        
Remaining borrowing capacity     $ 6,689,395,000        
Debt guarantee     248,105,000 $ 267,260,000      
Carrying value of the ALS Notes Receivable     85,747,000 79,254,000      
Long-term Debt     29,806,843,000 30,402,392,000      
AerCap Partners I [Member]              
Variable Interest Entity [Line Items]              
Subordinated debt     80,800,000        
Aercap Partners 767 [Member]              
Variable Interest Entity [Line Items]              
Senior debt facility     20,800,000        
Subordinated debt     30,900,000        
AerCap Partners II [Member]              
Variable Interest Entity [Line Items]              
Senior debt facility     56,700,000        
Subordinated debt     $ 16,800,000        
AerLift Jet [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     4        
Secured bank loans outstanding     $ 33,600,000        
AerDragon [Member]              
Variable Interest Entity [Line Items]              
Debt guarantee     $ 7,500,000 11,300,000      
Number of airlines | item     10        
AerLift [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     6        
Debt guarantee     $ 168,900,000 173,100,000      
AerCap Partners III [Member]              
Variable Interest Entity [Line Items]              
Debt guarantee     $ 71,700,000 $ 82,900,000      
Other Joint Ventures [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage sold         50.00%    
AerCap Holdings N.V. [Member] | AerCap Partners I [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Subordinated debt     $ 40,400,000        
AerCap Holdings N.V. [Member] | Aercap Partners 767 [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Subordinated debt     $ 15,450,000        
AerCap Holdings N.V. [Member] | AerFunding [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     5.00%        
Subordinated debt     $ 313,400,000        
AerCap Holdings N.V. [Member] | AerCap Partners II [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Subordinated debt     $ 8,400,000        
AerCap Holdings N.V. [Member] | AerLift Jet [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
AerCap Holdings N.V. [Member] | AerLift [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     39.00%        
AerCap Holdings N.V. [Member] | AerCap Partners III [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage           50.00%  
Ownership percentage sold 50.00%            
AerCap Holdings N.V. [Member] | AerCo [Member]              
Variable Interest Entity [Line Items]              
Notes receivable             $ 0
Deucalion Aviation Funds [Member] | AerCap Partners I [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Subordinated debt     $ 40,400,000        
Deucalion Aviation Funds [Member] | Aercap Partners 767 [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Subordinated debt     $ 15,450,000        
Deucalion Aviation Funds [Member] | AerCap Partners II [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Subordinated debt     $ 8,400,000        
U.S.-based Aircraft Leasing Company [Member] | AerLift Jet [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
China Aviation Supplies Holding Company [Member] | AerDragon [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
Equal Ownership By AerCap Holdings N.V., CA-CIB And East Epoch Limited [Member] | AerDragon [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     50.00%        
A330 Aircraft [Member] | AerFunding [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     5        
A330 Aircraft [Member] | AerCap Partners III [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item           3  
A320-200 Aircraft [Member] | AerFunding [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     14        
A320-200 Aircraft [Member] | AerCap Partners II [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     3        
Boeing 737-800 Aircraft [Member] | AerCap Partners I [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     11        
Boeing 737-800 Aircraft [Member] | AerFunding [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     11        
Boeing 767 Aircraft [Member] | Aercap Partners 767 [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     2        
Boeing 787 Aircraft [Member] | AerFunding [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     2        
Narrowbody Aircraft [Member] | AerDragon [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     27        
Number of aircraft sold | item     2        
Widebody Aircraft [Member] | AerDragon [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     1        
ALS II [Member]              
Variable Interest Entity [Line Items]              
Senior debt facility     $ 210,600,000        
ALS II [Member] | AerCap Holdings N.V. [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     5.00%        
Subordinated debt     $ 340,300,000        
ALS II [Member] | A320-200 Aircraft [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     30        
AerData [Member] | AerCap Holdings N.V. [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage sold       42.30%      
ACSAL [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     8        
Ownership percentage [1]     19.00%        
ACSAL [Member] | AerCap Holdings N.V. [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage   19.00%          
ACSAL [Member] | Boeing 737-800 Aircraft [Member] | AerCap Holdings N.V. [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft sold | item   8          
ALS [Member] | AerCap Holdings N.V. [Member]              
Variable Interest Entity [Line Items]              
Annual coupon percentage of purchase price     8.00%        
Maximum percentage of portfolio cash flows     20.00%        
AerCap Partners I Facility [Member]              
Variable Interest Entity [Line Items]              
Outstanding amount under senior debt facility     $ 126,956,000        
AerFunding Revolving Credit Facility [Member] | Charitable Trust [Member]              
Variable Interest Entity [Line Items]              
Ownership percentage     95.00%        
Purchase Obligations [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     447        
Purchase Obligations [Member] | AerDragon [Member]              
Variable Interest Entity [Line Items]              
Number of aircraft owned | item     2        
Secured Debt [Member]              
Variable Interest Entity [Line Items]              
Remaining borrowing capacity     $ 2,614,395,000        
Long-term Debt     12,623,288,000 $ 13,355,360,000      
Secured Debt [Member] | AerFunding Revolving Credit Facility [Member]              
Variable Interest Entity [Line Items]              
Remaining borrowing capacity     1,101,706,000        
Long-term Debt     1,058,294,000 887,385,000      
Unsecured Debt [Member]              
Variable Interest Entity [Line Items]              
Remaining borrowing capacity     4,075,000,000        
Long-term Debt     15,619,510,000 15,982,990,000      
Unsecured Debt [Member] | Other Unsecured Debt [Member]              
Variable Interest Entity [Line Items]              
Long-term Debt     $ 27,959,000 $ 53,101,000      
[1] AerDragon and ACSAL are VIEs for which we are not the PB but do have significant influence. Therefore, they are accounted for under the equity method.