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Consolidated Statements of Comprehensive Income - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Statements of Comprehensive Income [Abstract] |  |  |
Net income (loss) | $ 347 | $ (172) | $ 506
Components of other comprehensive income that will be reclassified subsequently to net income (loss) |  |  |
Currency translation differences | 152 | (90) | (205)
Changes in fair value of derivatives designated as a cash flow hedge | 0 | (1) | (2)
Changes in fair value of financial assets available for sale | (57) | 17 | 0
Tax income (expense) relating to items that will be reclassified subsequently to net income (loss) | 5 | (5) | 0
Total | 100 | (79) | (207)
Components of other comprehensive income that will not be reclassified to net income (loss) |  |  |
Actuarial gains (losses) from defined benefit plan | (17) | (48) | 63
Tax income (expense) relating to items that will not be reclassified to net income (loss) | 3 | 8 | (15)
Total | (14) | (40) | 48
Total comprehensive income (loss) | 433 | (291) | 347
Comprehensive loss attributable to the non-controlling interests | (13) | (59) | (9)
Comprehensive income (loss) attributable to the shareholders of the Company | $ 446 | $ (232) | $ 356

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