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Debt - AerFunding Revolving Credit Facility and Credit Agreement (Details)	1 Months Ended		12 Months Ended
	Mar. 31, 2022	Dec. 31, 2020	Dec. 31, 2022
Term loan | AerFunding Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument term	30 months	32 months
Charitable Trust | AerFunding
Debt Instrument [Line Items]
Ownership percentage			95.00%
AerCap Ireland | AerFunding
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

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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

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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 https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

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