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Interest expense and other financial income and expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Interest expense [abstract]      
Interest expense $ (669) $ (651) $ (708)
Interest expense on lease liabilities (60) (62) (67)
Expense arising from discounting long-term liabilities and capitalized borrowing costs (108) (98) (94)
Total interest expense $ (837) $ (811) $ (869)