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Employee Benefits and Private Pension Plan - Significant actuarial assumptions adopted (Detail) | Dec. 31, 2019 | Dec. 31, 2018
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Employee benefits and private pension plan details 3 [abstract] |  |
Discount rate for the actuarial obligation at present value | 8.79% | 9.00%
Average projected salary growth rate | 7.64% | 7.85%
Inflation rate (long term) | 3.80% | 4.00%
Growth rate of medical services | 7.95% | 8.16%

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- Definition The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_144&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Average projected salary growth rate. + References No definition available. + Details
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- Definition Employee benefits and private pension plan details 3. + References No definition available. + Details
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- Definition Growth rate of medical services. + References No definition available. + Details
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- Definition Inflation rate (long term). + References No definition available. + Details
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