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LEASE - Reconciliation of operating lease commitments (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Jan. 01, 2019
LEASE
Operating lease commitments disclosed as of December 31, 2018	R$ 1,448,241
Business combination with Fibria		R$ 2,974,729
Discounted through a lessee's incremental loan rate at initial adoption		(1,011,726)
Reclassification from loans and financing		18,225
Agreements revalued as service agreements		(572)
Operating lease commitments as of January 1, 2019		R$ 3,428,897

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- References

No definition available.

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- Definition

The amount of adjustment upon adoption of new accounting standard for the discount using the lessee's incremental loan rate.

+ References

No definition available.

+ Details

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- Definition

The amount of adjustment upon adoption of new accounting standard for the reclassification to service agreements.

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No definition available.

+ Details

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Namespace Prefix:	suzby_
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- Definition

The amount of adjustment to lease liabilities related to lease commitments assumed in a business combination.

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No definition available.

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Namespace Prefix:	suzby_
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- Definition

The amounts recognized as operating lease liabilities due to the initial application of IFRS 16 for the remaining balances of agreements previously classified as financial leases under IAS17.

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No definition available.

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- Definition

The amount of increase (decrease) to lease liabilities upon adoption of new accounting standard.

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No definition available.

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Namespace Prefix:	suzby_
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- Definition

The portion of operating lease payments that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with any amounts guaranteed by the lessee or by a party related to the lessee recognised as an expense.

+ References

No definition available.

+ Details

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