XML 65 R35.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Corporate information (Details) | Sep. 30, 2018 item
--- | ---
Corporate information |
The number of assets in portfolio | 377

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

X
- Definition The number of assets in portfolio. + References No definition available. + Details
Name: | fnv_NumberOfAssetsInPortfolio
Namespace Prefix: | fnv_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant