The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2024-01-01
-Paragraph 17
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- Definition

The number of personnel employed by the entity at a date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
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- Definition

Board Of Directors, Election Period

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- Definition

The percentage of compensation in profits to key management personnel.

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- Definition

The number of directors on the board of directors.

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- Definition

The percentage of net earnings that will be considered for variable compensation.

+ References

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- Definition

Percentage Of Net Income, Variable Compensation

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- Definition

Percentage Of Profit, Variable Compensation

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- Definition

Related party disclosures [Line Items]

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Board of directors, Senior Management and Key management personnel - Narrative (Details) CLF in Thousands, $ in Thousands				12 Months Ended
	Apr. 25, 2024 CLF director	Apr. 25, 2023 CLF director	Apr. 26, 2022	Dec. 31, 2024 CLF employee director	Dec. 31, 2024 USD ($) employee director	Dec. 31, 2023 CLF director employee	Dec. 31, 2023 USD ($) director employee	Dec. 31, 2022 CLF director	Dec. 31, 2022 USD ($) director
Related Party Disclosures [Line Items]
Number of directors	6	6
Election period (in years)				3 years	3 years
Key management personnel compensation	CLF 600	CLF 600			$ 8,193		$ 9,933		$ 8,495
Key management personnel compensation, percentage		0.06%	0.06%
Variable compensation, percentage of net earnings				110.00%	110.00%
Variable compensation, percentage of net income						1.10	1.10
Variable compensation, percentage of profit						1.10	1.10
Number of employees \| employee				8,344	8,344	7,682	7,682
Chairman
Related Party Disclosures [Line Items]
Key management personnel compensation \| CLF	CLF 800	CLF 800
Key management personnel compensation, percentage	0.12%	0.12%
Directors
Related Party Disclosures [Line Items]
Number of directors	2			8	8
Directors committee
Related Party Disclosures [Line Items]
Number of directors				3	3	3	3	3	3
Key management personnel compensation				CLF 200	$ 7,653	CLF 200	$ 7,516	CLF 200	$ 6,711
Key management personnel compensation, percentage				0.02%	0.02%	0.02%	0.02%	0.02%	0.02%
Variable compensation, percentage of net income								1.10	1.10
Health, Safety and Environmental Matters Committee
Related Party Disclosures [Line Items]
Number of directors						3	3
Key management personnel compensation \| CLF						CLF 100
Corporate Governance Committee
Related Party Disclosures [Line Items]
Number of directors						3	3
Key management personnel compensation \| CLF						CLF 100
Vice President
Related Party Disclosures [Line Items]
Key management personnel compensation \| CLF	CLF 700	CLF 700
Key Management Personnel
Related Party Disclosures [Line Items]
Key management personnel compensation \| $					$ 31,061		$ 37,418		$ 29,633
Number of employees \| employee				176	176	153	153