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Interest expense and other financial income and expense (Details 2) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other financial income and expense [abstract]      
Interest income $ 91 $ 245 $ 292
Dividend income 18 12 1
Other financial expense (52) (52) (39)
Currency result, net (135) (160) (68)
Total other financial income and expense from continuing operations $ (78) $ 45 $ 186