XML 252 R213.htm IDEA: XBRL DOCUMENT v3.8.0.1

Supplemental pension plans (Details Text) - BRL (R$)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Supplemental pension plans (Details Text)
Expenses related to contributions	R$ 988,905	R$ 584,438
Other employee expense	R$ 5,594,368	R$ 3,826,715
Inflation rate	4.30%
Real discount rate	4.0% - 5.5% p.a.	4.8% and 6.0% p.a.
Impact on the actuarial exposure	8.5 – 10.0% p.a.
Supplementary Pension Plan - Minimum
Supplemental pension plans (Details Text)
Contributions - Supplementary Pension Plan	4.00%
Supplementary Pension Plan - Maximum
Supplemental pension plans (Details Text)
Contributions - Supplementary Pension Plan	5.00%

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- Definition

Contributions - Supplementary Pension Plan

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- Definition

Expenses related to contributions

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- Definition

Impact on the actuarial exposure

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- Definition

Real discount rate

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- Definition

Supplemental pension plans (Details Text)

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- Definition

The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2017-01-01
-Paragraph 144
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_144&doctype=Standard
-URIDate 2017-03-09

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- Definition

The amount of employee expenses that the entity does not separately disclose in the same statement or note.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2017-01-01
-Paragraph 5
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_5&doctype=Standard
-URIDate 2017-03-09

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