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Financial instruments related to commodity contracts - Cash flow hedge (Details) - Derivative financial instruments related to commodity contracts - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Cash flow hedge      
Profit (Loss) recorded in other comprehensive income of the period $ (5,524) $ 445 $ 14
Recycled amount from other comprehensive income to the income statement of the period 1,317 (56) (1)
Ineffective portion of the cash flow hedges $ 132 $ 0 $ 0
Cash flow hedge      
Cash flow hedge      
Maximum maturity of most derivatives 1 year