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v3.20.4

Corporate Information (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020
Corporate Information |
Maximum energy streams target percentage (as a percent) | 20.00%

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- References No definition available. + Details
Name: | fnv_DisclosureOfCorporateInformationAbstract
Namespace Prefix: | fnv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the maximum energy streams target percentage. + References No definition available. + Details
Name: | fnv_MaximumTargetPercentForEnergyStreams
Namespace Prefix: | fnv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration