Subsequent events (Details) - Subsequent event $ in Millions	1 Months Ended
Jul. 31, 2024 USD ($) aircraft
Subsequent Event [Line Items]
Contingent purchase agreement, number of additional aircrafts	52
Capital Addition Purchase Commitments
Subsequent Event [Line Items]
Purchase obligation, additional aircrafts	36
Fixed-rate Reset Junior Subordinated Notes Due 2055 \| Unsecured
Subsequent Event [Line Items]
Face amount \| $	$ 750
Interest rate (in percentage)	6.95%
AerFunding Revolving Credit Facility \| Term Loan
Subsequent Event [Line Items]
Term out period	24 months

Contingent Purchase Agreement, Number Of Additional Aircrafts

No definition available.

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Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Term Out Period

+ References

No definition available.

+ Details

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- Definition

Unrecorded Unconditional Purchase Obligation, Number Of Additional Aircrafts

+ References

No definition available.

+ Details

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Namespace Prefix:	aer_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Topic 835
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-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-SubTopic 10
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-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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