INCOME TAXES - Differences in Tax Rates (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Composite income tax rate	27.00%	27.00%	27.00%
Increase (reduction) in rate resulting from:
Portion of gains subject to different tax rates	(11.00%)	(1.00%)	(6.00%)
International operations subject to different tax rates	(5.00%)	(16.00%)	5.00%
Taxable income attributable to non-controlling interests	(6.00%)	(3.00%)	(18.00%)
Recognition of deferred tax assets	0.00%	(2.00%)	(5.00%)
Non-recognition of the benefit of current year’s tax losses	17.00%	1.00%	(1.00%)
Change in tax rates and imposition of new legislation	4.00%	0.00%	0.00%
Other	4.00%	2.00%	1.00%
Effective income tax rate	30.00%	8.00%	3.00%

Income Taxes [Abstract]

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- Definition

Tax Rate Effect Of Gains Subject To Different Tax Rates

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No definition available.

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- Definition

Tax Rate Effect Of Income Attributable To Noncontrolling Interest

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No definition available.

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- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2018-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_c_ii&doctype=Standard
-URIDate 2018-03-16

+ Details

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- Definition

The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]

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+ Details

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- Definition

Tax rate effects, in aggregate, on the reconciliation between the average effective tax rate and the applicable tax rate that the entity does not separately disclose in the reconciliation. [Refer: Average effective tax rate; Applicable tax rate]

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+ Details

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- References

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- Definition

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from a change in tax rate. [Refer: Average effective tax rate; Applicable tax rate]

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+ Details

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- Definition

Tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from adjustments for the current tax of prior periods. [Refer: Average effective tax rate; Applicable tax rate; Adjustments for current tax of prior periods]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2018-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_c_ii&doctype=Standard
-URIDate 2018-03-16

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- Definition

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from the application of foreign tax rates. [Refer: Average effective tax rate; Applicable tax rate]

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+ Details

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- Definition

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from tax losses. [Refer: Average effective tax rate; Applicable tax rate]

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