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14 INCOME TAX AND SOCIAL CONTRIBUTION (Details 4) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax And Social Contribution [Abstract]
Actuarial gains on defined benefit pension plan	R$ 215,306	R$ 176,700
Estimated losses for deferred income and social contribution tax credits - actuarial gains	(217,969)	(180,048)
Exchange differences on translating foreign operations	(325,350)	(325,350)
Cash flow hedge accounting	426,961	490,041
Estimated losses for deferred income and social contribution tax credits - cash flow hedge	(426,961)	(490,041)
Total	R$ (328,013)	R$ (328,698)

X

- 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 2019-01-01
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- Definition

The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2019-01-01
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- Definition

The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)]

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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The amount refers to income tax relating to hedges of investments in equity instruments charged or credited directly to equity.

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