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Loans Receivable - Discovery Term Loan (Details) $ in Millions | Jan. 27, 2025 USD ($)
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Discovery Term Loan | Acquisition of Royalties |
Loans Receivable |
Notional amount | $ 100.0

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- Definition The nominal or face amount of a financing receivable. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=fnv_AcquisitionOfRoyaltiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |