XML 80 R73.htm IDEA: XBRL DOCUMENT
v3.21.2

Debt (Revolving Credit Facility) (Details) - Unsecured - Syndicate of Lenders and Citibank N.A. Revolving Credit Agreement $ in Millions | Mar. 30, 2021 USD ($)
--- | ---
Debt Instrument [Line Items] |
Unsecured revolving credit agreement, maximum borrowing capacity | $ 4,350
Unsecured revolving credit agreement, maturity | 4 years

X
- Definition Line Of Credit Facility, Maturity + References No definition available. + Details
Name: | aer_LineOfCreditFacilityMaturity
Namespace Prefix: | aer_
Data Type: | xbrli:durationItemType
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=aer_SyndicateOfLendersAndCitibankNARevolvingCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |