v3.25.4

Commitments and contingencies (Tables) | 12 Months Ended
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Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Prepayments of Flight Equipment | Movements in prepayments on flight equipment during the years ended December 31, 2025 and 2024 were as follows:
| Year Ended December 31,
| 2025 |  | 2024
Prepayments on flight equipment at beginning of period | $ | 3,460,296 |  |  | $ | 3,576,187 |
Prepayments and additions during the period, net | 2,251,405 |  |  | 1,418,813 |
Interest paid and capitalized during the period, net | 145,970 |  |  | 122,467 |
Prepayments and capitalized interest applied to the purchase of flight equipment | (1,584,905) |  |  | (1,657,171) |
Prepayments on flight equipment at end of period | $ | 4,272,766 |  |  | $ | 3,460,296 |
Schedule of Unrecorded Unconditional Purchase Obligations Disclosure | The following table presents our contractual commitments for the purchase of flight equipment as of December 31, 2025:
| 2026 |  | 2027 |  | 2028 |  | 2029 |  | 2030 |  | Thereafter |  | Total
| (U.S. Dollars in millions)
Purchase obligations (a) | $ | 5,249.1 |  |  | $ | 4,252.5 |  |  | $ | 2,116.1 |  |  | $ | 1,713.3 |  |  | $ | 978.5 |  |  | $ | 1,154.8 |  |  | $ | 15,464.3 |
(a)As of December 31, 2025, we had commitments to purchase 283 aircraft (including six purchase-and-leaseback transactions), 35 engines and 12 helicopters through 2031. The timing of our purchase obligations is based on current estimates and incorporates expected delivery delays into the table above. In addition, we have the right to reschedule the delivery dates of certain of our aircraft to future dates. In addition to the contractual commitments presented above, we have options to purchase up to 45 A320neo Family aircraft from Airbus. As these are options and not contractual commitments, they are not included in the table above.

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- Definition Tabular disclosure of unconditional purchase obligation not recognized as liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-4 + Details
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