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NON-CONTROLLING INTERESTS - Summarized Statements of Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of subsidiaries [line items] |  |
Revenue | $ 8,374 | $ 8,558
Net income | 1,516 | 861
Other comprehensive income (loss) | 38 | 188
Total comprehensive income | 1,554 | 1,049
Net cash provided by (used in) operating activities | 2,065 | 2,640
Net cash used in investing activities | (337) | (412)
Net cash provided by (used in) financing activities | (1,886) | (2,297)
Net decrease in cash and equivalents | (155) | (66)
Pueblo Viejo |  |
Disclosure of subsidiaries [line items] |  |
Revenue | 1,417 | 1,548
Net income | 293 | 810
Other comprehensive income (loss) | 0 | 0
Total comprehensive income | 293 | 810
Dividends paid to NCI | 0 | 0
Net cash provided by (used in) operating activities | 283 | 602
Net cash used in investing activities | (112) | (54)
Net cash provided by (used in) financing activities | (539) | (350)
Net decrease in cash and equivalents | (368) | 198
Acacia |  |
Disclosure of subsidiaries [line items] |  |
Revenue | 751 | 1,045
Net income | (630) | 81
Other comprehensive income (loss) | 0 | 0
Total comprehensive income | (630) | 81
Dividends paid to NCI | 13 | 7
Net cash provided by (used in) operating activities | (15) | 324
Net cash used in investing activities | (160) | (190)
Net cash provided by (used in) financing activities | (62) | (49)
Net decrease in cash and equivalents | $ (237) | $ 85

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