v3.25.4

Income taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax assets |  |
Flight equipment | $ 7,895 | $ 10,924
Other intangibles | 66,707 | 72,702
Deferred losses on sale of assets | 3,891 | 8,137
Operating loss and tax credit carryforwards | 1,552,840 | 1,821,502
Other | (9,723) | (17,388)
Total deferred tax assets | 1,641,056 | 1,930,653
Valuation allowance | (47,508) | (55,956)
Deferred tax assets, net of valuation allowance | 1,593,548 | 1,874,697
Deferred tax liabilities |  |
Flight equipment | (4,557,963) | (4,350,398)
Other intangibles | (14,724) | (17,458)
Other | (14,149) | (13,711)
Total deferred tax liabilities | (4,586,836) | (4,381,567)
Total net deferred tax (liabilities) assets | (2,993,288) | (2,506,870)
Ireland |  |
Deferred tax assets |  |
Flight equipment | 7,103 | 7,285
Other intangibles | 0 | 0
Deferred losses on sale of assets | 0 | 0
Operating loss and tax credit carryforwards | 1,429,696 | 1,713,394
Other | (619) | (1,332)
Total deferred tax assets | 1,437,418 | 1,722,011
Valuation allowance | (24,030) | (33,601)
Deferred tax assets, net of valuation allowance | 1,413,388 | 1,688,410
Deferred tax liabilities |  |
Flight equipment | (4,454,453) | (4,264,191)
Other intangibles | (14,724) | (17,458)
Other | (8,288) | (6,421)
Total deferred tax liabilities | (4,477,465) | (4,288,070)
Total net deferred tax (liabilities) assets | (3,064,077) | (2,599,660)
Foreign jurisdictions: |  |
Deferred tax assets |  |
Flight equipment | 792 | 3,639
Other intangibles | 66,707 | 72,702
Deferred losses on sale of assets | 3,891 | 8,137
Operating loss and tax credit carryforwards | 123,144 | 108,108
Other | (9,104) | (16,056)
Total deferred tax assets | 203,638 | 208,642
Valuation allowance | (23,478) | (22,355)
Deferred tax assets, net of valuation allowance | 180,160 | 186,287
Deferred tax liabilities |  |
Flight equipment | (103,510) | (86,207)
Other intangibles | 0 | 0
Other | (5,861) | (7,290)
Total deferred tax liabilities | (109,371) | (93,497)
Total net deferred tax (liabilities) assets | $ 70,789 | $ 92,790

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