Supplemental information on statement of cash flows (Details 2) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Information On Statement Of Cash Flows
Depreciation of Property, plant and equipment	$ 14,618	$ 12,955	$ 12,326
Amortization of Intangible assets	77	60	66
Capitalized depreciation	(1,343)	(1,240)	(973)
Depreciation of right of use - recovery of PIS/COFINS	(134)	(80)	26
Depreciation, depletion and amortization in the Statements of Cash Flows	$ 13,218	$ 11,695	$ 11,445

$ 14,618

$ 12,955

$ 12,326

(1,343)

(1,240)

(973)

$ 13,218

$ 11,695

$ 11,445