XML 159 R144.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Fair Value Measurements (Narrative) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) item | Dec. 31, 2013 USD ($) item
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impairment charges | $ | $ 16,322 | $ 21,828 | $ 25,616
Number of aircraft impaired | 8 | 8 | 6
Number of engines impaired | 12 | 3 |
Flight Equipment Held For Operating Leases [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Estimated useful life of asset, years | 25 years |  |

X
- Definition Number Of Aircraft Impaired + References No definition available. + Details
Name: | aer_NumberOfAircraftImpaired
Namespace Prefix: | aer_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of engines impaired + References No definition available. + Details
Name: | aer_NumberOfEnginesImpaired
Namespace Prefix: | aer_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the loss resulting from the amount by which the cost or carrying amount, if different, of an asset subject to an agreement classified as an operating lease, at the inception of a lease involving real estate, exceeds the fair value of the leased property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6748888&loc=d3e40601-112709 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FlightEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |