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Consolidated Statements of Cash Flow (Parentheticals) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Statement of cash flows [abstract]        
Income taxes payable settled against VAT receivables $ 10 $ 57 $ 36 $ 93