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Details to the consolidated cash flow statements (Details 3) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement [line items] |  |  |
(Increase) in inventories | $ (543) | $ (382) | $ (387)
Decrease/(Increase) in trade receivables | 137 | (980) | (544)
(Decrease)/increase in trade payables | (324) | 553 | 252
Change in other current assets | 229 | (160) | 316
Change in other current liabilities | 211 | 1,167 | 941
Other adjustments, net | (1) | 1 | (2)
Total | $ (291) | $ 199 | $ 576

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