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v3.19.1

CRITICAL JUDGMENTS, ESTIMATES, ASSUMPTIONS AND RISKS (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) $ / ounce | Dec. 31, 2017 USD ($)
Pascua-Lama | Chile |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Amounts received from VAT refunds | $ 443,000,000 | $ 484,000,000
Interest payable | 340,000,000 | 313,000,000
Revenue, performance obligation | 3,538,000,000 |
Pascua-Lama | Argentina |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Value added tax receivables | $ 112,000,000 | $ 221,000,000
Measured, Indicated and Inferred Gold Resources |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Gold price (in dollars per ounce) | $ / ounce | 1,500 |
Silver | Silver Wheaton Corp. |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Contract liabilities | $ 253,000,000 |
Silver | Lagunas Norte, Pierina and Veladero | Silver Wheaton Corp. |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Goods deliverable under contract (as percent) | 100.00% |
Silver | Pascua-Lama | Silver Wheaton Corp. |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Goods deliverable under contract (as percent) | 25.00% |
Long-term |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Gold price (in dollars per ounce) | $ / ounce | 1,200 |
Pueblo Viejo |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Proportion of ownership interest in subsidiary | 60.00% |
Change in Timing or Quantity of Ounces to be Delivered Under Streaming Agreement [Member] |  |
Disclosure of Detailed Information About Accounting Judgments and Estimates [Line Items] |  |
Contract liabilities | $ 12 |

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