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Lease revenue | 12 Months Ended
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Dec. 31, 2017
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, 2017 were as follows:
| Contracted minimum future lease payments receivable
2018 | $ | 3,964,268 |
2019 | 3,497,545 |
2020 | 3,021,796 |
2021 | 2,704,523 |
2022 | 2,408,034 |
Thereafter | 8,546,457 |
| $ | 24,142,623 |

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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