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CAPITAL AND FINANCIAL RISK MANAGEMENT - Energy price risk (Details) - Energy price risk - Energy swap contracts $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
CAPITAL AND FINANCIAL RISK MANAGEMENT
Percentage of reasonably possible increase in risk assumption	10.00%
Percentage of reasonably possible decrease in risk assumption	10.00%
Increase in price Effect on OCI before taxes, gain (loss)	$ 9.4
Decrease in price Effect on OCI before taxes, gain (loss)	$ (9.5)

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The amount of increase (decrease) in the fair value measurement of assets, recognised in other comprehensive income before tax, due to a reasonably possible decrease in an unobservable input. [Refer: Tax income (expense)]

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The amount of increase (decrease) in the fair value measurement of assets, recognised in other comprehensive income before tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)]

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The percentage of a reasonably possible decrease in risk assumption.

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