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Corporate Information (Details)	6 Months Ended
	Jun. 30, 2021
Corporate Information
Revenue target from gold and gold equivalents (as a percent)	80.00%

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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 percentage of revenue target from gold and gold equivalents.

+ References

No definition available.

+ Details

Name:	fnv_RevenueTargetPercentFromGoldAndGoldEquivalents
Namespace Prefix:	fnv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration