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Schedule of main assumptions for intangible asstes impairment (Details) | 12 Months Ended
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Dec. 31, 2021
Packaging [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | Until 2031 + perpetuity
Gross Margin | Gross margin updated based on historical data, impacts of business restructuring and market trends
Cost atualization | Cost based on historical data of each product and impacts of business restructuring
Perpetual growth rate | 1% growth.
Packaging [Member] | Bottom of range [member] |
IfrsStatementLineItems [Line Items] |
Discount rate applied to cash flow projections | 7.00%
Description of discount rates applied to cash flow projections | 5.87%
Packaging [Member] | Top of range [member] |
IfrsStatementLineItems [Line Items] |
Discount rate applied to cash flow projections | 9.50%
Description of discount rates applied to cash flow projections | 6.40%
Mining [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | Until 2064
Gross Margin | It reflects projection of costs due to the progress of the mining plan as well as startup and project ramp up. Prices and exchange rates projected according to sectoral reports.
Cost atualization | Update of costs based on historical data, progress of the mining plan as well as startup and project ramp up
Perpetual growth rate | Without perpetuity
Other Steel [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | Until 2031 + perpetuity
Gross Margin | Gross margin updated based on historical data and market trends
Cost atualization | Updated costs based on historical data and market trends
Perpetual growth rate | Without growth
Flat Steel [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | Until 2031 + perpetuity
Gross Margin | Gross margin updated based on historical data and market trends
Cost atualization | Updated costs based on historical data and market trends
Perpetual growth rate | Without growth
Flat Steel 1 [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | Until 2034 + perpetuity
Gross Margin | Gross margin updated based on historical data and market trends
Cost atualization | Updated costs based on historical data and market trends
Perpetual growth rate | Without growth
Logistic [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | Until 2027
Gross Margin | Estimated based on market study to capture cargo and operating costs according to market trend studies
Cost atualization | Study-based costs and market trends
Perpetual growth rate | Without perpetuity
Cement [Member] |
IfrsStatementLineItems [Line Items] |
Measurement of recoverable value | Discounted Cash Flow
Cash flow projection | by 2050
Gross Margin | Gross margin updated based on historical data and market trends
Cost atualization | Study-based costs and market trends
Perpetual growth rate | Without perpetuity
Packaging 1 [Member] |
IfrsStatementLineItems [Line Items] |
Discount rate applied to cash flow projections | 922.00%

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- Definition The description of the basis on which the cash-generating unit's (group of units') recoverable amount has been determined (ie value in use or fair value less costs of disposal). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 134 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_c&doctype=Standard -URIDate 2021-03-24 + Details
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