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v3.21.1

Streaming transactions (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 USD ($) agreement | Dec. 31, 2018 USD ($) | Aug. 31, 2016 installment
Deferred revenue-Cobalt stream transaction |  |  |  |
Number of agreements entered into | agreement |  | 2 |  |
Proceeds from streaming transactions |  |  | $ 690 |
Additional payment to be received on each pound of finished cobalt delivered (as a percent) | 20.00% | 20.00% |  |
Number of identifiable components in gold transaction | installment |  |  |  | 2
Voisey's Bay mine |  |  |  |
Deferred revenue-Cobalt stream transaction |  |  |  |
Right to cobalt extracted (as a percent) | 75.00% |  |  |
Proceeds from streaming transactions |  | $ 690 |  |
Wheaton | Salobo copper mine |  |  |  |
Deferred revenue-Cobalt stream transaction |  |  |  |
Additional rights to gold extracted (as a percent) |  |  |  | 25.00%
Rights to gold extracts held by WPM (as a percent) |  |  |  | 75.00%
Wheaton | Sudbury nickel mine |  |  |  |
Deferred revenue-Cobalt stream transaction |  |  |  |
Rights to gold extracts held by WPM (as a percent) |  |  |  | 70.00%

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