Financial instruments and risk management (Details 6) - USD ($)
$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
$ 6,293,635
|
$ 6,200,636
|
| Aircraft Engines Land And Buildings Leases [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
4,678,133
|
4,426,167
|
| Aircraft And Engine Lease Return Obligation [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
912,691
|
974,357
|
| Not later than one year [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
1,272,239
|
979,089
|
| Not later than one year [member] | Aircraft Engines Land And Buildings Leases [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
693,477
|
626,683
|
| Not later than one year [member] | Aircraft And Engine Lease Return Obligation [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
319,413
|
81,426
|
| Later than one year and not later than five years [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
5,021,396
|
5,221,547
|
| Later than one year and not later than five years [member] | Aircraft Engines Land And Buildings Leases [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
3,984,656
|
3,799,484
|
| Later than one year and not later than five years [member] | Aircraft And Engine Lease Return Obligation [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
593,278
|
892,931
|
| Pre Delivery Payments Facilities [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
200,518
|
360,982
|
| Pre Delivery Payments Facilities [Member] | Not later than one year [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
176,949
|
215,393
|
| Pre Delivery Payments Facilities [Member] | Later than one year and not later than five years [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
23,569
|
145,589
|
| Asset Backed Trust Notes [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
106,679
|
119,234
|
| Asset Backed Trust Notes [Member] | Not later than one year [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
33,627
|
24,669
|
| Asset Backed Trust Notes [Member] | Later than one year and not later than five years [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
73,052
|
94,565
|
| Other Financing Agreements [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
395,614
|
|
| Other Financing Agreements [Member] | Not later than one year [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
48,773
|
|
| Other Financing Agreements [Member] | Later than one year and not later than five years [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
$ 346,841
|
|
| Working Capital Facilities [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
|
319,896
|
| Working Capital Facilities [Member] | Not later than one year [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
|
30,918
|
| Working Capital Facilities [Member] | Later than one year and not later than five years [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Contractual principal payments on financial liabilities and derivative financial instruments |
|
$ 288,978
|