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v3.25.2

Debt (Details) $ in Millions, $ in Millions |  | 6 Months Ended |
--- | --- | --- | ---
Jul. 22, 2025 USD ($) | Jun. 30, 2025 USD ($) item | Jun. 30, 2025 CAD ($)
Credit Facility |  |  |
Revolving term credit facility |  |  |
Size of facility |  | $ 1,000.0 |
Accordion feature |  | 250.0 |
Drawdowns |  | $ 0.0 |
Credit Facility | Subsequent borrowings under credit facilities |  |  |
Revolving term credit facility |  |  |
Drawdowns | $ 175.0 |  |
Letter of credit |  |  |
Revolving term credit facility |  |  |
Number of letter of credit | item |  | 4 |
Maximum borrowing capacity |  | $ 48.4 | $ 66.0

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- Definition Accordion feature of the borrowings amount. + References No definition available. + Details
Name: | fnv_BorrowingsAccordionFeature
Namespace Prefix: | fnv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the credit facilities without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
Name: | fnv_IfrsLineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | fnv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the credit facilities without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility and the nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References No definition available. + Details
Name: | fnv_LineOfCreditFacilityMaximumBorrowingCapacityAndNotionalAmount
Namespace Prefix: | fnv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Represents the number of letter of credit. + References No definition available. + Details
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Namespace Prefix: | fnv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The cash inflow from borrowings obtained. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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

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