XML 75 R68.htm IDEA: XBRL DOCUMENT v3.25.2

Maintenance rights and lease premium, net - Movements in maintenance rights (Details) - Maintenance Rights - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Finite-lived Intangible Assets [Roll Forward]
Maintenance rights at beginning of period	$ 1,669,742	$ 2,099,513
EOL and MR contract maintenance rights expense	(36,035)	(51,841)
MR contract maintenance rights write-off due to maintenance liability release	(11,066)	(34,988)
EOL contract maintenance rights write-off due to cash receipt	(25,372)	(97,289)
EOL and MR contract maintenance rights write-off due to sale of aircraft	(91,835)	(45,016)
Maintenance rights at end of period	$ 1,505,434	$ 1,870,379

X

- Definition

Amount of decrease to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for end of lease (EOL) and maintenance reserve (MR) contract intangible write off due to sale of aircraft.

+ References

No definition available.

+ Details

Name:	aer_FiniteLivedIntangibleAssetsEndOfLeaseAndMaintenanceReservedContractIntangibleWriteOffDueToSaleOfAircraft
Namespace Prefix:	aer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of decrease to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for end of lease (EOL) and maintenance reserve (MR) contract maintenance rights expense.

+ References

No definition available.

+ Details

Name:	aer_FiniteLivedIntangibleAssetsEndOfLeaseAndMaintenanceReservedContractRightsExpense
Namespace Prefix:	aer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of decrease to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for maintenance reserve (MR) contract maintenance rights write off due to maintenance liability release.

+ References

No definition available.

+ Details

Name:	aer_FiniteLivedIntangibleAssetsMaintenanceReserveContractRightsExpenseOffsetByMaintenanceLiabilityRelease
Namespace Prefix:	aer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of decrease to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for end of lease (EOL) contract cash receipt.

+ References

No definition available.

+ Details

Name:	aer_FiniteLivedIntangibleAssetsWriteOffOffsetByEndOfLeaseContractCompensationReceived
Namespace Prefix:	aer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Maintenance Rights Intangible

+ References

No definition available.

+ Details

Name:	aer_MaintenanceRightsIntangible
Namespace Prefix:	aer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=aer_MaintenanceRightsIntangibleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: