v3.21.1

Income Taxes (Tax Returns) (Details) - Brazil R$ in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021 BRL (R$)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 BRL (R$)	Mar. 31, 2020 USD ($)
Corporate income tax
Income Tax Examination
Net adjustments of additional taxes, including interest and penalties	R$ 641	$ 114
Indirect tax
Income Tax Examination
Net adjustments of additional taxes, including interest and penalties			R$ 96	$ 17

X

- Definition

Estimated amount of loss resulting from an adverse tax position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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- Definition

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+ References

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