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Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Schedule of Property, Plant, and Equipment, Lessor Asset under Operating Lease |
| Useful Life (a) |  | Residual Value (b)
Passenger aircraft | 25 years |  | 15 | %
Freighter aircraft | 35 years |  | 15 | %
Helicopters | 30 years |  | 20 | %
Engines | 20 years |  | 60 | %
(a) Useful life may be determined to be a different period depending on the disposition strategy. (b) Estimated industry price, except where more relevant information indicates that a different residual value is more appropriate.

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- Definition Tabular disclosure of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 840 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481501/840-20-50-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-13 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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