XML 62 R46.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Maintenance rights intangible and lease premium, net (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items] |
Schedule of movements in maintenance rights intangible | Movements in maintenance rights intangible during the years ended December 31, 2017 and 2016 were as follows:
| Year Ended December 31,
| 2017 |  | 2016
Maintenance rights intangible at beginning of period | $ | 2,117,034 |  |  | $ | 3,068,318 |
EOL and MR contract maintenance rights expense | (355,845 | ) |  | (381,637 | )
MR contract maintenance rights write-off due to maintenance liability release | (77,494 | ) |  | (173,971 | )
EOL contract maintenance rights write-off due to cash receipt | (106,433 | ) |  | (96,503 | )
EOL and MR contract intangible write-off due to sale of aircraft | (112,663 | ) |  | (284,411 | )
Transfer to other assets | — |  |  | (17,162 | )
Additions due to aircraft acquisitions | — |  |  | 2,400 |
Maintenance rights intangible at end of period | $ | 1,464,599 |  |  | $ | 2,117,034 |
Maintenance Rights Intangible And Lease Premium, Net [Member] |
Finite-Lived Intangible Assets [Line Items] |
Schedule of maintenance rights intangible and lease premiums | Maintenance rights intangible and lease premium consisted of the following as of December 31, 2017 and 2016:
| As of December 31,
| 2017 |  | 2016
Maintenance rights intangible | $ | 1,464,599 |  |  | $ | 2,117,034 |
Lease premium, net | 37,259 |  |  | 50,891 |
| $ | 1,501,858 |  |  | $ | 2,167,925 |
Lease Premiums [Member] |
Finite-Lived Intangible Assets [Line Items] |
Schedule of maintenance rights intangible and lease premiums | The following tables present details of lease premium and related accumulated amortization as of December 31, 2017 and 2016:
| As of December 31, 2017
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Lease premium | $ | 77,977 |  |  | $ | (40,718 | ) |  | $ | 37,259 |
| As of December 31, 2016
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Lease premium | $ | 94,959 |  |  | $ | (44,068 | ) |  | $ | 50,891 |
Schedule of estimated future amortization expense of intangible assets | As of December 31, 2017, the estimated future amortization expense for lease premium was as follows:
| Estimated amortization expense
2018 | $ | 11,219 |
2019 | 10,466 |
2020 | 7,727 |
2021 | 5,394 |
2022 | 914 |
Thereafter | 1,539 |
| $ | 37,259 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=aer_MaintenanceRightsIntangibleAndLeasePremiumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=aer_LeasePremiumsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |