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Debt (AerCap trust & AICDC notes and ILFC Legacy notes) (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 28, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jan. 31, 2021
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount, Senior Notes |  | $ 34,347,733 |  |
Amount of aggregate principal repurchased and retired |  | 1,945,210 | $ 5,652,418 |
Unsecured |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount, Senior Notes |  | $ 20,954,496 |  |
Unsecured | Senior Notes Due 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount, Senior Notes |  |  |  | $ 1,000,000
Interest rate of Senior Notes (in percentage) |  |  |  | 1.75%
Unsecured | 4.5% Senior Notes Due 2021 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate of Senior Notes (in percentage) | 4.50% |  |  |
Amount of aggregate principal repurchased and retired | $ 544,000 |  |  |
Unsecured | Senior Notes Due 2021 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount of aggregate consideration | $ 555,400 |  |  |

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- Definition Long Term Debt Composed Of Either Debt Instrument Face Amount Or Line Of Credit Facility Current Borrowing Capacity + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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