XML 87 R72.htm IDEA: XBRL DOCUMENT v3.3.1.900

Summary Of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2015 USD ($) segment
Summary Of Significant Accounting Policies [Line Items]
Minimum aircraft age threshold for review of undiscounted cash flows	15 years
Other inventory minimum age threshold for consideration as excess inventory	4 years
Carrying value of engine and airframe parts and rotable and consumable parts | $	$ 0
Number of reportable segments | segment	1
Flight Equipment Held For Operating Leases [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of asset, years	25 years
Percentage of estimates for residual values of original manufacture cost	15.00%

X

- Definition

Minimum Aircraft Age Threshold For Review Of Undiscounted Cash Flows

+ References

No definition available.

+ Details

Name:	aer_MinimumAircraftAgeThresholdForReviewOfUndiscountedCashFlows
Namespace Prefix:	aer_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Other Inventory Minimum Age Threshold For Consideration As Excess Inventory

+ References

No definition available.

+ Details

Name:	aer_OtherInventoryMinimumAgeThresholdForConsiderationAsExcessInventory
Namespace Prefix:	aer_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Summary of significant accounting policies [Line Items]

+ References

No definition available.

+ Details

Name:	aer_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix:	aer_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Gross amount of components of assembled products that can be sold directly or indirectly through sales of assembled products.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_OtherInventoriesSpareParts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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: