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Flight equipment held for operating leases, net (Tables) | 12 Months Ended
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Dec. 31, 2021
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Abstract] |
Schedule of movements in flight equipment held for operating leases | Movements in flight equipment held for operating leases during the years ended December 31, 2021 and 2020 were as follows:
| Year Ended December 31,
| 2021 |  | 2020
Net book value at beginning of period | $ | 35,156,450 |  |  | $ | 35,870,781 |
GECAS Transaction | 23,108,835 |  |  | — |
Additions | 2,368,677 |  |  | 2,108,539 |
Depreciation | (1,712,991) |  |  | (1,620,185) |
Disposals and transfers to held for sale | (955,028) |  |  | (169,503) |
Transfers to investment in finance leases, net | (12,478) |  |  | (46,623) |
Impairment (Note 25) | (128,409) |  |  | (986,559) |
Net book value at end of period | $ | 57,825,056 |  |  | $ | 35,156,450 |
Accumulated depreciation and impairment as of December 31, 2021 and 2020, respectively: | $ | (11,201,741) |  |  | $ | (9,825,647) |

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- Definition Lessor, Operating Lease, Carrying Value of Assets Subject to Leases [Table Text Block] + References No definition available. + Details
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Namespace Prefix: | aer_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration