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Supplemental information on statement of cash flows (Details 2) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Supplemental Information On Statement Of Cash Flows        
Depreciation of Property, plant and equipment     $ 7,145 $ 7,361
Amortization of Intangible assets     48 37
Capitalized depreciation     (940) (696)
Depreciation of right of use - recovery of PIS/COFINS     (80) (72)
Depreciation, depletion and amortization in the Statements of Cash Flows $ 3,249 $ 3,460 $ 6,173 $ 6,630