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Other liabilities (Standby product loan facilities with various counterparties) (Details) - Product Loan [Member]	Dec. 31, 2024 lb kg	Dec. 31, 2023 lb kg
UF6 conversion services [member]
Quantity of uranium drawn [Line Items]
Product loans drawn | kg	1,567,000	1,777,000
UF6 conversion services [member] | 2025 [Member]
Quantity of uranium drawn [Line Items]
Product loans drawn | kg	318,000
UF6 conversion services [member] | 2026 [Member]
Quantity of uranium drawn [Line Items]
Product loans drawn | kg	1,249,000
U3O8 [Member]
Quantity of uranium drawn [Line Items]
Product loans drawn | lb	2,506,000	2,756,000
U3O8 [Member] | 2025 [Member]
Quantity of uranium drawn [Line Items]
Product loans drawn | lb	630,000
U3O8 [Member] | 2026 [Member]
Quantity of uranium drawn [Line Items]
Product loans drawn | lb	1,876,000

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- Definition

Quantity of product loans outstanding at reporting date.

+ References

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+ Details

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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.

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