v3.25.4

Consolidated Statements of Cash Flows (Parenthetical) - Non-cash Investing and Financing Activities - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Flight equipment reclassified to net investment in finance leases | $ 658,000 | $ 284,000 | $ 171,000
Flight equipment reclassified to held for sale, net | 1,700,000 | 1,200,000 | 1,300,000
Release to income upon sale | $ 142,276 | $ 31,758 | $ 88,000

X
- Definition Accrued Maintenance Liability, Release To Income Upon Sale + References No definition available. + Details
Name: | aer_AccruedMaintenanceLiabilityReleaseToIncomeUponSale
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total of the amount of flight equipment under operating leases reclassified to net investment in finance and sale-type leases and any amount charged to expense (recognized in income). + References No definition available. + Details
Name: | aer_AmountOfFlightEquipmentUnderOperatingLeasesReclassifiedToNetInvestmentInFinanceLeasesInventoryTotal
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount Of Flight Equipment Under Operating Leases Transferred To Flight Equipment Held For Sale + References No definition available. + Details
Name: | aer_AmountOfFlightEquipmentUnderOperatingLeasesTransferredToFlightEquipmentHeldForSale
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis=aer_NonCashInvestingAndFinancingActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |