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SEGMENT INFORMATION - Consolidated Statements of Income Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of operating segments [line items] |  |
Revenue | $ 8,374 | $ 8,558
Depreciation | 1,647 | 1,574
Exploration, evaluation and project expenses | 354 | 237
Other expenses (income) | (799) | 60
Net income | 1,516 | 861
Accretion | 67 | 50
Share of income (loss) | 78 | 206
Cost of sales (excluding depreciation) | 5,300 | 5,405
Pierina |  |
Disclosure of operating segments [line items] |  |
Cost of sales (excluding depreciation) | 174 | 82
Pueblo Viejo |  |
Disclosure of operating segments [line items] |  |
Revenue, attributable to non-controlling interests | 567 | 623
Cost of sales, attributable to non-controlling interests | 285 | 249
Share of income (loss) | 276 | 373
Acacia |  |
Disclosure of operating segments [line items] |  |
Revenue, attributable to non-controlling interests | 271 | 377
Cost of sales, attributable to non-controlling interests | 169 | 259
Share of income (loss) | 69 | 108
Operating segments |  |
Disclosure of operating segments [line items] |  |
Revenue | 8,374 | 8,558
Direct mining, royalties and community relations | 3,624 | 3,751
Depreciation | 1,619 | 1,556
Exploration, evaluation and project expenses | 168 | 115
Other expenses (income) | 157 | 83
Net income | 2,806 | 3,053
Accretion | 55 | 41
Operating segments | Barrick Nevada |  |
Disclosure of operating segments [line items] |  |
Revenue | 2,961 | 2,703
Direct mining, royalties and community relations | 1,076 | 1,089
Depreciation | 793 | 807
Exploration, evaluation and project expenses | 24 | 19
Other expenses (income) | 16 | 17
Net income | 1,052 | 771
Operating segments | Pueblo Viejo |  |
Disclosure of operating segments [line items] |  |
Revenue | 1,417 | 1,548
Direct mining, royalties and community relations | 501 | 497
Depreciation | 229 | 147
Exploration, evaluation and project expenses | 0 | 0
Other expenses (income) | 16 | 3
Net income | 671 | 901
Operating segments | Lagunas Norte |  |
Disclosure of operating segments [line items] |  |
Revenue | 514 | 548
Direct mining, royalties and community relations | 177 | 180
Depreciation | 68 | 96
Exploration, evaluation and project expenses | 4 | 3
Other expenses (income) | 6 | 9
Net income | 259 | 260
Operating segments | Veladero |  |
Disclosure of operating segments [line items] |  |
Revenue | 591 | 685
Direct mining, royalties and community relations | 291 | 346
Depreciation | 119 | 118
Exploration, evaluation and project expenses | 3 | 1
Other expenses (income) | 5 | 0
Net income | 173 | 220
Operating segments | Turquoise Ridge |  |
Disclosure of operating segments [line items] |  |
Revenue | 280 | 322
Direct mining, royalties and community relations | 131 | 128
Depreciation | 28 | 27
Exploration, evaluation and project expenses | 0 | 0
Other expenses (income) | 2 | 1
Net income | 119 | 166
Operating segments | Acacia |  |
Disclosure of operating segments [line items] |  |
Revenue | 751 | 1,045
Direct mining, royalties and community relations | 362 | 553
Depreciation | 107 | 166
Exploration, evaluation and project expenses | 0 | 27
Other expenses (income) | 91 | 0
Net income | 191 | 299
Operating segments | Pascua-Lama |  |
Disclosure of operating segments [line items] |  |
Revenue | 0 | 0
Direct mining, royalties and community relations | 0 | 0
Depreciation | 8 | 7
Exploration, evaluation and project expenses | 125 | 59
Other expenses (income) | (10) | 1
Net income | (123) | (67)
Operating segments | Other |  |
Disclosure of operating segments [line items] |  |
Revenue | 1,860 | 1,707
Direct mining, royalties and community relations | 1,086 | 958
Depreciation | 267 | 188
Exploration, evaluation and project expenses | 12 | 6
Other expenses (income) | 31 | 52
Net income | $ 464 | $ 503

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