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EMPLOYEE BENEFIT PLANS (Details) - BRL (R$) R$ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Defined benefit plan
Roll-forward of actuarial liability
Opening balance	R$ 691,424	R$ 675,158	R$ 675,158
Interest on actuarial liabilities	34,615		59,258
Actuarial loss (gain)			12,231
Exchange rate variations			(577)
Amount arising from the acquisition of MMC Brasil	1,457
Benefits paid	(25,563)		(54,646)
Closing balance	701,933		R$ 691,424
Suzano Prev
EMPLOYEE BENEFIT PLANS
Employer contributions	R$ 8,650	R$ 7,308

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

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The amount of employer contributions to retirement benefit plans.

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- Definition

The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]

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- Definition

The increase (decrease) in the net defined benefit liability (asset) resulting from business combinations and disposals. [Refer: Business combinations [member]; Net defined benefit liability (asset)]

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The increase (decrease) in the net defined benefit liability (asset) resulting from changes in foreign exchange rates. [Refer: Net defined benefit liability (asset)]

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The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)]

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The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

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The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)]

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