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Income Taxes (Tax Returns) (Details) - 12 months ended Dec. 31, 2019 R$ in Millions, $ in Millions	USD ($) jurisdiction	BRL (R$) jurisdiction
Income Tax Examination
Number of jurisdictions with extensions beyond statute of limitations	2	2
Maximum number of years agreed to extensions beyond the statute of limitations	20 years	20 years
Minimum
Income Tax Examination
Range of tax returns are subject to examination	3 years	3 years
Maximum
Income Tax Examination
Range of tax returns are subject to examination	6 years	6 years
Brazil
Income Tax Examination
Net adjustments of additional taxes, including interest and penalties	$ 168	R$ 676

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Represents the number of jurisdictions with extensions beyond the statute of limitations.

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Range of period that the tax returns in the major jurisdictions in which the enterprise operates are generally subject to examination.

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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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