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INCOME AND SOCIAL CONTRIBUTION TAXES - Unrecognized deferred income tax assets (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Domestic |  |
INCOME AND SOCIAL CONTRIBUTION TAXES |  |
Unused tax losses for which no deferred tax asset recognised | R$ 263,491 | R$ 265,403
Foreign |  |
INCOME AND SOCIAL CONTRIBUTION TAXES |  |
Unused tax losses for which no deferred tax asset recognised | 1,384,598 | 795,775
Unused tax credits for which no deferred tax asset recognised | R$ 668,729 | R$ 398,364

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- Definition The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_e&doctype=Standard -URIDate 2019-03-27 + Details
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