XML 88 R73.htm IDEA: XBRL DOCUMENT v3.10.0.1

Intangibles (Movements in maintenance rights) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Finite-lived Intangible Assets [Roll Forward]
Maintenance rights at beginning of period	$ 1,464,599
Maintenance rights at end of period	1,088,246	$ 1,464,599
Maintenance Rights
Finite-lived Intangible Assets [Roll Forward]
Maintenance rights at beginning of period	1,464,599	2,117,034
EOL and MR contract maintenance rights expense	(157,792)	(355,845)
MR contract maintenance rights write-off due to maintenance liability release	(29,656)	(77,494)
EOL contract maintenance rights write-off due to cash receipt	(99,671)	(106,433)
EOL and MR contract maintenance rights write-off due to sale of aircraft	(89,234)	(112,663)
Maintenance rights at end of period	$ 1,088,246	$ 1,464,599

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 end of lease (EOL) contract cash receipt.

+ References

No definition available.

+ Details

Name:	aer_FiniteLivedIntangibleAssetsEndOfLeaseContractCashReceipt
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_FiniteLivedIntangibleAssetsMaintenanceReservedContractRightsExpenseOffsetByMaintenanceLiabilityRelease
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: