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Debt (AerFunding revolving credit facility and credit agreement) (Details) - AerFunding Revolving Credit Facility |  | 12 Months Ended
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Dec. 11, 2017 | Dec. 31, 2020
Term Out Period |  |
Debt Instrument [Line Items] |  |
Debt instrument term | 32 months |
Charitable Trust |  |
Debt Instrument [Line Items] |  |
Ownership percentage |  | 95.00%
AerCap Ireland |  |
Debt Instrument [Line Items] |  |
Ownership percentage |  | 5.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685 + Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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