A component of equity representing the capital reserves.

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The fair value, at the acquisition date, of equity interests of the acquirer transferred as consideration in a business combination. [Refer: Business combinations [member]]

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The increase in equity through the issue of equity instruments.

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The number of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination.

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The adjusted amount of capital gain attributable for each common share.

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Number of shares finally issuable upon restructuring of each common share.

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The amount of capital gain attributable for each common share.

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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Price of a single share of a number of saleable stocks of a company.

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Number of shares issuable upon restructuring to each common share.

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Number of shares issued by ex-treasury and disregarding the shares resulting from the vesting of option plans between those in the Protocol and Justification and present date after adjustments.

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Number of shares issued by ex-treasury and disregarding the shares resulting from the vesting of option plans between those in the Protocol and Justification and present date.

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COMPANYS OPERATIONS - Share exchange ratio (Details) R$ / shares in Units, R$ in Thousands			1 Months Ended	12 Months Ended
	Jan. 02, 2019 BRL (R$) EquityInstruments R$ / shares shares	Jan. 01, 2019 R$ / shares shares	Jan. 31, 2019 BRL (R$)	Dec. 31, 2019 BRL (R$)	Jan. 10, 2019 BRL (R$)	Dec. 31, 2018 BRL (R$)
Company Operations
Share capital increase \| R$				R$ 3,027,528
Capital reserves \| R$				R$ 6,416,864		R$ 674,221
Eucalipto Holding S.A.
Company Operations
Number of shares issuable for each common share \| shares		0.4611
Final number of shares issuable for each common share \| shares	0.4613
Suzano Holding S.A.
Company Operations
Number of shares issued by ex-treasury resulting from vesting of option plans initially \| shares		1,091,984,141
Number of shares issued by ex-treasury resulting from vesting of option plans finally \| shares	1,093,784,141
Number of shares issued as a result of merger \| EquityInstruments	255,437,439
Market value per share \| R$ / shares	R$ 36.95
Consideration in the form of equity shares \| R$	R$ 9,438,413
Share capital increase \| R$	3,027,528		R$ 3,027,528
Capital reserves \| R$	R$ 6,410,885
Capital gain per share \| R$ / shares		R$ 15.38
Capital gain per share calculated final \| R$ / shares	R$ 15.39
Fibria
Company Operations
Number of shares issued by ex-treasury resulting from vesting of option plans initially \| shares		553,080,611
Number of shares issued by ex-treasury resulting from vesting of option plans finally \| shares	553,733,881
Consideration in the form of equity shares \| R$					R$ 9,438,413