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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities      
Net income (loss) $ 1,235 $ 347 $ (172)
Adjustments for      
Depreciation and amortization 403 390 401
Impairment of non-current assets 17 28 5
Exchange rate and interest expenses, net 35 137 76
Share in earnings of equity-accounted investees, net (3) 0 (18)
Loss (Gain) from divestiture of businesses (841) (54) 1
Capital losses 0 0 432
Share-based compensation 19 16 15
Deferred tax expenses (income) 76 (46) (2)
Adjustments for reconcile profit loss (294) 471 910
Change in inventories (115) 57 70
Change in trade and other receivables (104) 21 150
Change in trade and other payables (36) (45) (90)
Change in provisions and employee benefits (66) (4) 98
Net change in operating assets and liabilities (321) 29 228
Net cash provided by operating activities 620 847 966
Cash flows from investing activities      
Proceeds from deposits, net (3) (65) (198)
Purchases of property, plant and equipment and intangible assets (572) (457) (632)
Proceeds from divestiture of businesses net of transaction expenses 902 [1] 6 17
Proceeds from sale of equity-accounted investee 0 168 0
Dividends from equity-accounted investees 2 3 12
Proceeds from sale of property, plant and equipment 2 12 5
Other 0 0 (4)
Net cash provided by (used in) investing activities 331 (333) (800)
Cash flows from financing activities      
Dividends paid to the company's shareholders (241) (237) (162)
Receipt of long-term debt 1,746 966 1,278
Repayment of long-term debt (2,115) (1,387) (1,365)
Short-term credit from banks and others, net (283) 147 14
Other (1) 0 (4)
Net cash used in financing activities (894) (511) (239)
Cash and cash equivalents as at the beginning of the year 83 87 161
Net change in cash and cash equivalents 57 3 (73)
Net effect of currency translation on cash and cash equivalents (24) (2) (1)
Cash and cash equivalents included as part of assets held for sale 5 (5) 0
Cash and cash equivalents as at the end of the year 121 83 87
Statements of Cash Flows - Additional Information      
Income taxes paid, net of refunds 56 127 84
Interest paid $ 103 $ 111 $ 112
[1] See Note 10.