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v3.25.0.1

Lease revenue - Narrative (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Leases [Abstract] |  |
Percent of rent attributable to variable leases | 2.00% | 5.00%

X
- Definition Lessor, Operating Lease, Percent Of Rent Attributable To Variable Leases + References No definition available. + Details
Name: | aer_LessorOperatingLeasePercentOfRentAttributableToVariableLeases
Namespace Prefix: | aer_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration