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Schedule of General and administrative expenses (Details) - General And Administrative Expenses [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
DisclosureCostsAndExpensesByNatureLineItems [Line Items]        
Employee compensation $ (216) $ (191) $ (414) $ (376)
Total (83) (48) (161) (112)
Depreciation, depletion and amortization (24) (21) (47) (45)
Total $ (323) $ (260) $ (622) $ (533)