Income taxes - Schedule of Income Tax and Social Contribution Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Major components of tax expense (income) [abstract]
Profit (loss) before taxes	$ 196,139	$ 815,341	$ 282,748	$ 2,245,943
Brazilian statutory corporate tax rate	(34.00%)	(34.00%)	(34.00%)	(34.00%)
Expected tax expense (benefit)	$ (66,687)	$ (277,216)	$ (96,134)	$ (763,621)
Adjustments to reconcile taxable income tax expense (benefit):
Share of profit of equity-accounted investees	(3,893)	1,520	1,137	5,103
Non-taxable tax benefits	65,996	58,032	186,829	165,056
Difference of tax rates on taxable income from foreign subsidiaries	19,364	49,938	(1,141)	96,902
Profits taxed by-foreign jurisdictions	3,068	44,406	(11,657)	(37,591)
Current year deferred taxes not recognized and deferred taxes recognized from prior years	(16,141)	10,026	(31,088)	86,093
Dividends paid abroad	0	(10,809)	0	(10,809)
Non-taxable interest - Foreign subsidiaries	3,232	3,151	9,813	9,414
Donations and social programs	11	0	(1,816)	0
SELIC interest on tax credits	2,985	2,631	4,291	33,946
Brazilian tax incentive law - Lei do Bem	0	0	0	1,397
Other permanent differences	(15,216)	(52,896)	(8,709)	(37,060)
Current and deferred income tax benefit (expense)	(7,281)	(171,217)	51,525	(451,170)
Current income tax	(27,148)	(185,942)	(79,019)	(576,398)
Deferred income tax	19,867	14,725	130,544	125,228
TOTAL INCOME TAXES	$ (7,281)	$ (171,217)	$ 51,525	$ (451,170)
Effective Income Tax Rate	(3.71%)	(21.00%)	18.22%	(20.09%)