XML 120 R105.htm IDEA: XBRL DOCUMENT v3.6.0.2

Debt (ALS II Narrative) (Details) - ALS II Debt [Member] $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) item
Debt Instrument [Line Items]
Number of aircraft designated as collateral | item	26
Debt Instrument, Collateral Amount | $	$ 745.3

X

- Definition

Debt Instrument, Aircraft Collateral Number

+ References

No definition available.

+ Details

Name:	aer_DebtInstrumentAircraftCollateralNumber
Namespace Prefix:	aer_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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

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

X

- Details

Name:	us-gaap_DebtInstrumentAxis=aer_AircraftLeaseSecuritizationLimitedTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: