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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
OPERATING ACTIVITIES      
Consolidated net income (loss) $ 778 $ (1,446) $ 179
Discontinued operations (10) (99) 98
Net income (loss) from continuing operations 788 (1,347) 81
Adjustments for:      
Gain on sale of emission allowances (600) 0 0
Depreciation and amortization of assets 1,127 1,110 1,039
Impairment losses of longed-lived assets 536 1,520 64
Share of profit of equity accounted investees (54) (49) (49)
Results on sale of subsidiaries, other disposal groups and others (21) (4) (49)
Financial expense, financial income and other items, net 740 895 776
Income taxes 144 45 157
Changes in working capital, excluding income taxes (143) 198 98
Cash flow provided by operating activities from continuing operations 2,517 2,368 2,117
Interest and coupons on perpetual debentures paid (524) (679) (665)
Income taxes paid (170) (124) (168)
Net cash flow provided by operating activities from continuing operations 1,823 1,565 1,284
Net cash flows provided by operating activities from discontinued operations 32 48 71
Net cash flows provided by operating activities 1,855 1,613 1,355
INVESTING ACTIVITIES      
Purchase of property, machinery and equipment, net (801) (536) (651)
Disposal (acquisition) of subsidiaries and other disposal groups, net 122 628 500
Sale of emission allowances 600 0 0
Intangible assets (192) (53) (116)
Non-current assets and others, net (10) 50 5
Cash flows (used in) provided by investing activities from continuing operations (281) 89 (262)
Net cash flows used in investing activities from discontinued operations (4) 0 0
Net cash flows (used in) provided by investing activities (285) 89 (262)
FINANCING ACTIVITIES      
Proceeds from new debt instruments 3,960 4,210 3,331
Debt repayments (5,897) (4,572) (3,284)
Issuance of subordinated notes 994 0 0
Other financial obligations, net (313) (794) (233)
Share repurchase program 0 (83) (50)
Changes in non-controlling interests and repayment of perpetual debentures (447) (105) (31)
Derivative financial instruments (41) 12 (56)
Securitization of trade receivables 25 (26) (6)
Dividends paid and coupons on perpetual debentures and subordinated notes (24) (24) (179)
Non-current liabilities, net (109) (138) (96)
Net cash flows used in financing activities (1,852) (1,520) (604)
Increase (decrease) in cash and cash equivalents from continuing operations (310) 134 418
Increase in cash and cash equivalents from discontinued operations 28 48 71
Foreign currency translation effect on cash (55) (20) (10)
Cash and cash equivalents at beginning of period 950 788 309
CASH AND CASH EQUIVALENTS AT END OF PERIOD 613 950 788
Changes in working capital, excluding income taxes:      
Trade receivables (20) 25 (8)
Other accounts receivable and other assets 94 (22) 33
Inventories (341) 24 96
Trade payables 290 20 (41)
Other accounts payable and accrued expenses (166) 151 18
Changes in working capital, excluding income taxes $ (143) $ 198 $ 98