OTHER LIABILITIES - NON CURRENT AND CURRENT (Actuarial assumptions of defined benefit obligation) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Disclosure of defined benefit plans [line items]
Discount rate	1.00%
Compensation growth rate	1.00%
Pension growth rate	1.00%
Life expectancy (period)	1 year
Bottom of range
Disclosure of defined benefit plans [line items]
Estimate of contributions expected to be paid to plan for next five years	$ 19.0
Top of range
Disclosure of defined benefit plans [line items]
Estimate of contributions expected to be paid to plan for next five years	$ 23.0
Argentina
Disclosure of defined benefit plans [line items]
Discount rate		7.00%
Compensation growth rate		2.00%
Argentina \| Bottom of range
Disclosure of defined benefit plans [line items]
Discount rate	6.00%
Compensation growth rate	2.00%
Argentina \| Top of range
Disclosure of defined benefit plans [line items]
Discount rate	7.00%
Compensation growth rate	3.00%
Mexico
Disclosure of defined benefit plans [line items]
Discount rate	7.75%	8.00%
Compensation growth rate	5.00%	5.00%
Increase in assumption
Disclosure of defined benefit plans [line items]
Discount rate	(9.50%)
Compensation growth rate	1.60%
Pension growth rate	(2.90%)
Life expectancy	2.60%
Decrease in assumption
Disclosure of defined benefit plans [line items]
Discount rate	10.50%
Compensation growth rate	(3.50%)
Pension growth rate	0.70%
Life expectancy	(4.40%)

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]]

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 expected rate of increases in pension 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

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- Definition

The expected rate of salary increases 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

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- Definition

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

+ References

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The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2017-01-01
-Paragraph 147
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_147_b&doctype=Standard
-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2017-01-01
-Paragraph 148
-Subparagraph d
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_148_d_iii&doctype=Standard
-URIDate 2017-03-09

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- Definition

Defined benefit obligation, increase (decrease) in life expectancy

+ References

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- Definition

Defined benefit obligation, life expectancy

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