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15. INCOME TAX AND SOCIAL CONTRIBUTION (Details 4) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Tax Installments Programs Details 1Abstract
Actuarial gains on defined benefit pension plan	R$ 176,700	R$ 176,658
Estimated losses for deferred income and social contribution tax credits - actuarial gains	(180,048)	(180,834)
Changes in the fair value of assets measured at fair value through other comprehensive income		(530,292)
Estimated losses for deferred income tax and social contribution assets - assets measured at fair value through other comprehensive income		530,292
Exchange differences on translating foreign operations	(325,350)	(369,017)
Cash flow hedge accounting	490,041	134,478
Estimated losses for deferred income and social contribution tax credits - cash flow hedge	(490,041)	(134,478)
Income tax and social contribution	R$ (328,698)	R$ (373,193)

X

- References

No definition available.

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- Definition

The amount of income tax relating to gains losses on cash flow hedges net of tax charged directly to equity.

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No definition available.

+ Details

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- Definition

The amount of income tax relating to gains losses on exchange differences on translation charged or credited directly to equity.

+ References

No definition available.

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- Definition

The amount of income tax relating to gains losses on remeasurements of defined benefit plans charged or credited directly to equity.

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No definition available.

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- Definition

The amount of income tax relating to hedges of investment in equity instrument charged or credited directly to equity.

+ References

No definition available.

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- Definition

The amount of income tax relating to remeasurements of define benefit plans charged or credited directly to equity.

+ References

No definition available.

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- Definition

The aggregate current and deferred tax relating to particular items that are charged or credited directly to equity, for example: (a) an adjustment to the opening balance of retained earnings resulting from either a change in accounting policy that is applied retrospectively or the correction of an error; and (b) amounts arising on initial recognition of the equity component of a compound financial instrument. [Refer: Deferred tax relating to items credited (charged) directly to equity; Retained earnings; Financial instruments, class [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2018-01-01
-Paragraph 81
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_a&doctype=Standard
-URIDate 2018-03-16

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