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It represents the amount of investment in joint venture in JCU.

No definition available.

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Financial information for 100% of JCU, prior to applying ownership interest.

No definition available.

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The cash inflow outflow to settle borrowings, classified as financing activities.

No definition available.

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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.

No definition available.

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Inflows (outflows) of cash, to invest in joint venture, classified as investing activities, that the entity does not separately disclose in the same statement or note.

No definition available.

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The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

No definition available.

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The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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Data Type:	xbrli:monetaryItemType
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The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]

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Name:	ifrs-full_JointVenturesAxis=dnn_JCUMember
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Data Type:	na
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Data Type:	na
Balance Type:
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Name:	ifrs-full_BusinessCombinationsAxis=dnn_MillenniumProjectMember
Namespace Prefix:
Data Type:	na
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Data Type:	na
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