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Investments in affiliates and joint ventures - Ownership Percentages (Details)	Dec. 31, 2024
Nuna Logistics Ltd.
Variable Interest Entity [Line Items]
Ownership percentage	49.00%
North American Nuna Joint Venture
Variable Interest Entity [Line Items]
Ownership percentage	50.00%
Nuna East Ltd.
Variable Interest Entity [Line Items]
Ownership percentage	37.00%
Nuna Pang Contracting Ltd.
Variable Interest Entity [Line Items]
Ownership percentage	37.00%
Nuna West Mining Ltd.
Variable Interest Entity [Line Items]
Ownership percentage	49.00%
Mikisew North American Limited Partnership ("MNALP")
Variable Interest Entity [Line Items]
Ownership percentage	49.00%
ASN Constructors ("ASN")
Variable Interest Entity [Line Items]
Ownership percentage	30.00%
Red River Valley Alliance LLC ("RRVA")
Variable Interest Entity [Line Items]
Ownership percentage	15.00%
NAYL Realty Inc.
Variable Interest Entity [Line Items]
Ownership percentage	49.00%
Barrooghumba WPH Pty Ltd.
Variable Interest Entity [Line Items]
Ownership percentage	50.00%
Ngaliku WPH Pty Ltd.
Variable Interest Entity [Line Items]
Ownership percentage	50.00%

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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-Topic 323
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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+ References

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