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18. Employee Benefits and Private Pension Plan (Details 3)	Dec. 31, 2017	Dec. 31, 2016
Employee Benefits And Private Pension Plan Details 3
Discount rate for the actuarial obligation at present value	9.51%	11.46%
Average projected salary growth rate	8.38%	8.90%
Inflation rate (long term)	4.50%	5.00%
Growth rate of medical services	8.68%	9.20%

X

- Definition

Average projected salary growth rate.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Growth rate of medical services.

+ References

No definition available.

+ Details

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- Definition

Inflation rate (long term).

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2016-01-13
-Paragraph 144
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2016-03-30&anchor=para_144&doctype=Standard
-URIDate 2016-03-31

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