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Provisions and other liabilities (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 CAD ($)
Disclosure of other provisions [line items]
Provision for environmental rehabilitation	$ 60.5
Weighted average actualization rate	3.40%

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]

+ References

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-Name IAS
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-IssueDate 2021-01-01
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-URIDate 2021-03-24

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- Definition

Weighted average actualization rate.

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