Financial instruments - financial and other risks - Market risk (Details) - Spot market rate risk - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of detailed information about financial instruments [line items]
Amount of changes in spot rate used for sensitivity analysis	$ 1,000
Impact on operating income (loss) due to increase (decrease) in spot rate in sensitivity analysis	$ 28,900,000	$ 32,000,000.0	$ 35,300,000

Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Operating Income (Loss)

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration