XML 72 R58.htm IDEA: XBRL DOCUMENT
v3.20.4

Asset impairment (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Asset Impairment Charges [Abstract] |
Schedule of asset impairment | Asset impairment consisted of the following for the years ended December 31, 2020, 2019 and 2018:
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Flight equipment held for operating leases (Note 5) | $ | 986,559 |  |  | $ | 69,383 |  |  | $ | 39,318 |
Goodwill (Note 7) | 58,094 |  |  | — |  |  | — |
Flight equipment held for sale | 5,483 |  |  | 766 |  |  | 4,868 |
Maintenance rights and other | 36,847 |  |  | — |  |  | — |
| $ | 1,086,983 |  |  | $ | 70,149 |  |  | $ | 44,186 |

X
- Definition Schedule of tangible and intangible asset impairment charges [Table Text Block] + References No definition available. + Details
Name: | aer_ScheduleOfTangibleAndIntangibleAssetImpairmentChargesTableTextBlock
Namespace Prefix: | aer_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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