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NON-CONTROLLING INTERESTS - Summarized Statements of Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of subsidiaries [line items] |  |
Revenue | $ 7,243 | $ 8,374
Net (loss) income | (1,435) | 1,516
Other comprehensive income (loss) | 11 | 38
Total comprehensive (loss) income | (1,424) | 1,554
Net cash provided by (used in) operating activities | 1,765 | 2,065
Net cash used in investing activities | (1,494) | (337)
Net cash used in financing activities | (925) | (1,886)
Net decrease in cash and equivalents | (663) | (155)
Pueblo Viejo |  |
Disclosure of subsidiaries [line items] |  |
Revenue | 1,333 | 1,417
Net (loss) income | 206 | 293
Other comprehensive income (loss) | 0 | 0
Total comprehensive (loss) income | 206 | 293
Dividends paid to NCI | 0 | 0
Net cash provided by (used in) operating activities | 272 | 283
Net cash used in investing activities | (144) | (112)
Net cash used in financing activities | (108) | (539)
Net decrease in cash and equivalents | 20 | (368)
Acacia Mining PLC |  |
Disclosure of subsidiaries [line items] |  |
Revenue | 664 | 751
Net (loss) income | 59 | (630)
Other comprehensive income (loss) | 0 | 0
Total comprehensive (loss) income | 59 | (630)
Dividends paid to NCI | 0 | 13
Net cash provided by (used in) operating activities | 123 | (15)
Net cash used in investing activities | (45) | (160)
Net cash used in financing activities | (28) | (62)
Net decrease in cash and equivalents | $ 50 | $ (237)

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