XML 136 R120.htm IDEA: XBRL DOCUMENT v3.8.0.1

Salaries and social security payables (Details)	12 Months Ended
	Dec. 31, 2017 employee plan
Salaries and social security payables
Total number of employees | employee	15,396
Employees unionized (in percent)	82.00%
Number of stock option plans available to employees | plan	0

X

- References

No definition available.

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X

- Definition

The number of personnel employed by the entity at a date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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- Definition

Number of stock option plans available to employees.

+ References

No definition available.

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- Definition

The percentage of total number of employees were unionized.

+ References

No definition available.

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