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10. INTANGIBLE ASSETS (Details) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 BRL (R$)
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | R$ 7,253,175 |
Effect of foreign exchange differences | 7,839 |
Acquisitions and expeditures | 1,427 |
Transfer to property, plant and equipment | 11,896 |
Amortization | (58,129) |
Goodwill - Acquisition 50% CBSI | 15,225 |
Consolidation CBSI on November 30, 2019. | 348 |
Balance at end | 7,231,781 |
Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 7,903,220 |
Effect of foreign exchange differences |  |
Balance at end | 7,947,578 |
Accumulated Depreciation [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (540,715) |
Effect of foreign exchange differences |  |
Balance at end | (606,467) |
Adjustment For Accumulated Recoverable Value [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (109,330) |
Effect of foreign exchange differences |  |
Balance at end | (109,330) |
Goodwill [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 3,590,931 |
Goodwill - Acquisition 50% CBSI | 15,225 |
Balance at end | 3,606,156 |
Goodwill [Member] | Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 3,831,338 |
Effect of foreign exchange differences |  |
Balance at end | 3,846,563 |
Goodwill [Member] | Accumulated Depreciation [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (131,077) |
Effect of foreign exchange differences |  |
Balance at end | (131,077) |
Goodwill [Member] | Adjustment For Accumulated Recoverable Value [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (109,330) |
Effect of foreign exchange differences |  |
Balance at end | (109,330) |
Customer Related Intangible Assets [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 288,773 |
Effect of foreign exchange differences | 4,711 |
Amortization | (47,345) |
Balance at end | 246,139 |
Customer Related Intangible Assets [Member] | Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 573,614 |
Effect of foreign exchange differences |  |
Balance at end | 585,407 |
Customer Related Intangible Assets [Member] | Accumulated Depreciation [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (284,841) |
Effect of foreign exchange differences |  |
Balance at end | (339,268) |
Software [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 54,972 |
Effect of foreign exchange differences | 3 |
Acquisitions and expeditures | 1,387 |
Transfer to property, plant and equipment | 7,808 |
Amortization | (10,657) |
Consolidation CBSI on November 30, 2019. | 346 |
Balance at end | 53,859 |
Software [Member] | Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 161,067 |
Effect of foreign exchange differences |  |
Balance at end | 171,152 |
Software [Member] | Accumulated Depreciation [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (106,095) |
Effect of foreign exchange differences |  |
Balance at end | (117,293) |
Trademarks and Patents [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 150,009 |
Effect of foreign exchange differences | 3,092 |
Consolidation CBSI on November 30, 2019. | 2 |
Balance at end | 153,103 |
Trademarks and Patents [Member] | Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 150,009 |
Effect of foreign exchange differences |  |
Balance at end | 153,103 |
Rights and Licenses [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 3,166,999 | [1]
Transfer to property, plant and equipment | 4,088 | [1]
Amortization | (127) | [1]
Balance at end | 3,170,960 | [1]
Rights and Licenses [Member] | Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 3,185,701 |
Effect of foreign exchange differences |  |
Balance at end | 3,189,789 |
Rights and Licenses [Member] | Accumulated Depreciation [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | (18,702) |
Effect of foreign exchange differences |  |
Balance at end | (18,829) |
Other [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 1,491 |
Effect of foreign exchange differences | 33 |
Acquisitions and expeditures | 40 |
Balance at end | 1,564 |
Other [Member] | Cost [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Balance at beginning | 1,491 |
Effect of foreign exchange differences |  |
Balance at end | R$ 1,564 |
[1] | Composed mainly by mineral rights. Amortization is recorded based on production volumes.

X
- Definition The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [Refer: Goodwill; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2019-01-01 -Paragraph B67 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B67_d_ii&doctype=Appendix&subtype=B -URIDate 2019-03-27 + Details
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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The increase (decrease) in intangible assets and goodwill 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: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_vii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e&doctype=Standard -URIDate 2019-03-27 + Details
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