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Supplemental Guarantor Financial Information (Narrative) (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Nov. 30, 2012 | May 31, 2012
AerCap Aviation Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Face amount | $ 300,000,000 |  | $ 300,000,000
Stated interest rate | 6.375% |  | 6.375%
AerCap Aviation Solutions B.V [Member] | AerCap Aviation Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Ownership interest | 100.00% |  |
AerCap Trust, AICDC and the Subsidiary Guarantors [Member] | AGAT/AICDC Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Ownership interest | 100.00% |  |
Citi Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit facility, current borrowing capacity |  | $ 285,000,000 |

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