XML 170 R151.htm IDEA: XBRL DOCUMENT
v3.22.1

Variable interest entities (Maximum exposure to loss in VIEs) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Variable Interest Entities [Abstract] |  |
Carrying value of debt and equity investments | $ 133,401 | $ 125,955

X
- Definition Variable Interest Entities [Abstract] + References No definition available. + Details
Name: | aer_VariableInterestEntitiesAbstract
Namespace Prefix: | aer_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Variable Interest Entity, Entity Maximum Loss Exposure, Equity Investment and Cost Method Investment Amount + References No definition available. + Details
Name: | aer_VariableInterestEntityEntityMaximumLossExposureEquityInvestmentandCostMethodInvestmentAmount
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant