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Employee Benefits and Private Pension Plan - Changes in provision for post-employment benefits (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Employee benefits and private pension plan details 1 [abstract] |  |
Provision for post-employment benefits, opening | R$ 237,523 | R$ 144,751
Current service cost | 6,092 | 7,664
Interest cost | 21,466 | 15,754
Actuarial (gains) losses from changes in actuarial assumptions | 7,934 | 36,120
Benefits paid directly by Company and its subsidiaries | (23,604) | (11,368)
Opening balance CBL S.A. (see Note 3.c) |  | 44,478
Exchange rate from foreign subsidiaries | 404 | 124
Provision for post-employment benefits, ending | R$ 249,815 | R$ 237,523

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- Definition The amount of provisions for employee benefits. [Refer: Employee benefits expense; Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Actuarial (gains) losses from changes in actuarial assumptions. + References No definition available. + Details
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- Definition Initial balance of the new subsidiary CBLSA due to business combination. + References No definition available. + Details
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- Definition Employee benefits and private pension plan details 1. + References No definition available. + Details
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- Definition Benefits paid directly by Company and its subsidiaries. + References No definition available. + Details
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- Definition Interest cost of post-employment benefits. + References No definition available. + Details
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- Definition Benefits paid directly by Company and its subsidiaries. + References No definition available. + Details
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- Definition Current service cost of post-employment benefits. + References No definition available. + Details
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