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

Variable Interest Entities (Narrative) (Details)

v3.6.0.2
Variable Interest Entities (Narrative) (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 01, 2011
Jun. 30, 2013
item
Mar. 31, 2016
item
Dec. 31, 2016
USD ($)
item
Dec. 31, 2014
Dec. 31, 2010
item
Dec. 23, 2016
USD ($)
Dec. 31, 2015
USD ($)
Oct. 15, 2015
USD ($)
Variable Interest Entity [Line Items]                  
Number of aircraft owned | item       1,022          
Remaining borrowing capacity       $ 7,338,181,000          
Debt guarantees       125,429,000       $ 248,105,000  
Number of aircraft sold | item     5            
Gain on refinance of notes receivable       27,700,000          
Carrying value of the ALS Notes Receivable               85,747,000  
Long-term Debt       27,716,999,000       29,641,863,000  
AerCap Partners I [Member]                  
Variable Interest Entity [Line Items]                  
Subordinated debt       63,800,000          
Aercap Partners 767 [Member]                  
Variable Interest Entity [Line Items]                  
Senior debt facility       16,200,000          
Subordinated debt       31,000,000          
AerFunding [Member]                  
Variable Interest Entity [Line Items]                  
Credit facility amount outstanding       596,800,000          
AerCap Partners II [Member]                  
Variable Interest Entity [Line Items]                  
Senior debt facility       49,000,000          
Subordinated debt       $ 16,800,000          
AerLift Jet [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft owned | item       0          
Number of aircraft sold | item       4          
AerDragon [Member]                  
Variable Interest Entity [Line Items]                  
Debt guarantees       $ 3,400,000       7,500,000  
Number of airlines | item       10          
AerLift [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft owned | item       4          
Debt guarantees       $ 122,000,000       168,900,000  
Number of aircraft sold | item       2          
AerCap Partners III [Member]                  
Variable Interest Entity [Line Items]                  
Debt guarantees               71,700,000  
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       $ 31,900,000          
AerCap Holdings N.V. [Member] | Aercap Partners 767 [Member]                  
Variable Interest Entity [Line Items]                  
Ownership percentage       50.00%          
Subordinated debt       $ 15,500,000          
AerCap Holdings N.V. [Member] | AerFunding [Member]                  
Variable Interest Entity [Line Items]                  
Ownership percentage       5.00%          
Percent of the subordinated fixed rate deferrable interest asset-backed notes       100.00%          
Subordinated debt       $ 192,700,000          
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       $ 31,900,000          
Deucalion Aviation Funds [Member] | Aercap Partners 767 [Member]                  
Variable Interest Entity [Line Items]                  
Ownership percentage       50.00%          
Subordinated debt       $ 15,500,000          
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       5          
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       8          
Boeing 737-800 Aircraft [Member] | AerFunding [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft owned | item       7          
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       29          
Widebody Aircraft [Member] | AerDragon [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft sold | item       1          
B-737-NG Aircraft [Member] | AerCap Partners I [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft sold | item       3          
ALS II [Member]                  
Variable Interest Entity [Line Items]                  
Senior debt facility       $ 17,700,000          
ALS II [Member] | AerCap Holdings N.V. [Member]                  
Variable Interest Entity [Line Items]                  
Ownership percentage       5.00%          
Percent of the subordinated fixed rate deferrable interest asset-backed notes       100.00%          
Subordinated debt       $ 350,000,000          
ALS II [Member] | A-320 Aircraft [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft sold | item       4          
ALS II [Member] | A320-200 Aircraft [Member]                  
Variable Interest Entity [Line Items]                  
Number of aircraft owned | item       26          
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]                  
Variable Interest Entity [Line Items]                  
Long-term Debt               28,000,000  
ALS [Member] | AerCap Holdings N.V. [Member]                  
Variable Interest Entity [Line Items]                  
Annual coupon percentage of purchase price       8.00%          
ALS Refinancing [Member]                  
Variable Interest Entity [Line Items]                  
Gain related to the repayment of a note receivable       $ 120,300,000          
Percentage of cash flows       20.00%          
Notes receivable             $ 92,600,000    
Gain on refinance of notes receivable       $ 27,700,000          
AerCap Partners I Facility [Member]                  
Variable Interest Entity [Line Items]                  
Outstanding amount under senior debt facility       $ 81,537,000          
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       420          
Secured Debt [Member]                  
Variable Interest Entity [Line Items]                  
Remaining borrowing capacity       $ 3,238,181,000          
Long-term Debt       11,518,140,000       12,623,288,000  
Secured Debt [Member] | AerFunding Revolving Credit Facility [Member]                  
Variable Interest Entity [Line Items]                  
Remaining borrowing capacity       1,563,181,000          
Long-term Debt       596,819,000       1,058,294,000  
Unsecured Debt [Member]                  
Variable Interest Entity [Line Items]                  
Remaining borrowing capacity       4,100,000,000          
Long-term Debt       $ 14,800,212,000       15,619,510,000  
Unsecured Debt [Member] | Other Unsecured Debt [Member]                  
Variable Interest Entity [Line Items]                  
Long-term Debt               $ 27,959,000  
[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.