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Consolidated Income Statements - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Profit or loss [abstract]      
Revenues $ 12,970 $ 13,130 $ 13,531
Cost of sales (8,791) (8,825) (8,849)
Gross profit 4,179 4,305 4,682
Operating expenses (2,836) (2,972) (2,979)
Operating earnings before other expenses, net 1,343 1,333 1,703
Other expenses, net (1,779) (347) (296)
Operating earnings (loss) (436) 986 1,407
Financial expense (777) (711) (722)
Financial income and other items, net (110) (71) (2)
Share of profit of equity accounted investees 49 49 34
Earnings (loss) before income tax (1,274) 253 717
Income tax (52) (162) (224)
Net income (loss)from continuing operations (1,326) 91 493
Discontinued operations (120) 88 77
CONSOLIDATED NET INCOME (LOSS) (1,446) 179 570
Non-controlling interest net income 21 36 42
CONTROLLING INTEREST NET INCOME (LOSS) $ (1,467) $ 143 $ 528
Basic earnings (loss) per share $ (0.0332) $ 0.0031 $ 0.0114
Basic earnings (loss) per share from continuing operations (0.0305) 0.0012 0.0098
Diluted earnings (loss) per share (0.0332) 0.0031 0.0114
Diluted earnings (loss) per share from continuing operations $ (0.0305) $ 0.0012 $ 0.0098