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28. EQUITY AND REMUNERATION TO SHAREHOLDERS (Details 5) - BRL (R$) R$ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of changes in equity [abstract]
Minimum mandatory dividend required by Bylaws	R$ 1,564
Minimum mandatory dividend required by the Bylaws for the preferred shares	(486)
Minimum mandatory dividend proposed for the common shares	(243)
Unrealized profit reserve	R$ 835

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- Definition

Amount of dividend from net income for the year - common shares.

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Amount of minimum dividend required by Bylaws.

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Amount of minimum mandatory dividend required by the Bylaws for the preferred shares.

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A component of equity resulting from discretionary participation features. Discretionary participation features are contractual rights to receive, as a supplement to guaranteed benefits, additional benefits: (a) that are likely to be a significant portion of the total contractual benefits; (b) whose amount or timing is contractually at the discretion of the issuer; and (c) that are contractually based on: (i) the performance of a specified pool of contracts or a specified type of contract; (ii) realised and/or unrealised investment returns on a specified pool of assets held by the issuer; or (iii) the profit or loss of the company, fund or other entity that issues the contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
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