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INCOME TAXES - Income Tax Recognized in Profit or Loss (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Taxes [Abstract] |  |  |
Current income tax expense | $ 106 | $ 33 | $ 22
Origination and reversal of temporary differences | 92 | (62) | 4
Changes in tax rates or the imposition of new taxes | (41) | 1 | (28)
Previously unrecognized deferred taxes | 16 | 43 | (2)
Net income before income tax | 747 | 543 | 387
Income tax expense calculated at the domestic rates applicable to profits in the country concerned | 304 | 77 | 74
Change in substantively enacted tax rates | (41) | 1 | (28)
Earnings from investments in associates and joint ventures | (12) | (34) | (16)
Portion of gains subject to different tax rates | 2 | (54) | 2
Taxable income attributable to non-controlling interests | (65) | (7) | (25)
International operations subject to different tax rates | (39) | (6) | (8)
Deferred tax assets not recognized | 15 | 41 | 4
Permanent differences and other | 9 | (3) | (7)
Total income tax expense (recovery) | $ 173 | $ 15 | $ (4)

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