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Lease revenue | 12 Months Ended
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Dec. 31, 2020
Lease Revenue [Abstract] |
Lease revenue | Lease revenue Our current operating lease agreements expire up to and over the next 14 years. The contracted minimum future lease payments receivable from lessees for flight equipment on non-cancelable operating leases for our owned aircraft and engines as of December 31, 2020 were as follows:
| Contracted minimum future lease payments receivable
2021 | $ | 3,773,352 |
2022 | 3,551,721 |
2023 | 3,363,258 |
2024 | 3,070,849 |
2025 | 2,743,947 |
Thereafter | 9,441,322 |
| $ | 25,944,449 |

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- Definition Lease Revenue [Abstract] + References No definition available. + Details
Name: | aer_LeaseRevenueAbstract
Namespace Prefix: | aer_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Rental Income [Text Block] + References No definition available. + Details
Name: | aer_RentalIncomeTextBlock
Namespace Prefix: | aer_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration