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v3.22.1

Schedule of Fair value of assets acquired and liabilities assumed (Details) - BRL (R$) R$ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IfrsStatementLineItems [Line Items] |  |  |
Property, plant and equipment | R$ 21,531,134 | R$ 19,716,223 | R$ 19,700,944
Carrying amount [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cash and cash equivalents | 52,570 | 2,197 |
Trade receivables | 27,571 | 1,027 |
Receivables from related parties | 96,374 | 9,035 |
Inventories | 44,157 | 1,017 |
Recoverable taxes | 18,616 | 931 |
Short-term investments | 14,689 |  |
Other assets | 17,734 | 673 |
Investment |  | 40,653 |
Property, plant and equipment | 373,574 | 15,092 |
Intangíible assets | 798 | 500 |
Total assets acquired | 646,083 | 71,125 |
Borrowings and financing | 198,778 | 182,402 |
Trade payables | 22,735 | 446 |
Taxes payable | 19,202 | 37,158 |
Debits with related parties |  | 96,350 |
Other payables | 44,052 | 7,257 |
Total liabilities assumed | 284,767 | 323,613 |
Net equity acquired | 361,316 | (252,488) |
Indirect investiment | (40,663) |  |
Net equity acquired | 320,653 | (252,488) |
Property, plant and equipment | 388,666 |  |
Mining rights | 500 |  |
Licenses | 798 |  |
Total | 389,964 |  |
Fair Value Adjustments [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Investment |  | 24,845 |
Property, plant and equipment | 161,367 | 77,089 |
Intangíible assets | 59,456 | 269,385 |
Total assets acquired | 220,823 | 371,319 |
Net equity acquired | 220,823 | 371,319 |
Indirect investiment | (24,851) |  |
Net equity acquired | 195,972 | 371,319 |
Property, plant and equipment | 238,456 |  |
Mining rights | 269,385 |  |
Licenses | 59,456 |  |
Total | 567,297 |  |
Total Fair Value [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cash and cash equivalents | 52,570 | 2,197 |
Trade receivables | 27,571 | 1,027 |
Receivables from related parties | 96,374 | 9,035 |
Inventories | 44,157 | 1,017 |
Recoverable taxes | 18,616 | 931 |
Short-term investments | 14,689 |  |
Other assets | 17,734 | 673 |
Investment |  | 65,498 |
Property, plant and equipment | 534,941 | 92,181 |
Intangíible assets | 60,254 | 269,885 |
Total assets acquired | 866,906 | 442,444 |
Borrowings and financing | 198,778 | 182,402 |
Trade payables | 22,735 | 446 |
Taxes payable | 19,202 | 37,158 |
Debits with related parties |  | 96,350 |
Other payables | 44,052 | 7,257 |
Total liabilities assumed | 284,767 | 323,613 |
Net equity acquired | 582,139 | 118,831 |
Indirect investiment | (65,514) |  |
Net equity acquired | 516,625 | R$ 118,831 |
Property, plant and equipment | 627,122 |  |
Mining rights | 269,885 |  |
Licenses | 60,254 |  |
Total | R$ 957,261 |  |
Business Property Plant And Equipment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Description of basis of valuation of assets available for benefits | Valued using the "MARKET APPROACH" method, where the fair value of the asset is estimated by comparing it with similar or comparable assets that have been sold or listed for sale in the primary or secondary market. |  |
Business Mining Rights [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Description of basis of valuation of assets available for benefits | Evaluated by the MPEEM method that measures the present value of future income to be generated during the remaining useful life of a given asset. Using the analysis of the company's projected results as a reference, the pre-tax cash flows directly attributable to the asset are calculated, as of the base date stipulated in the evaluation. |  |
Business Licenses [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Description of basis of valuation of assets available for benefits | Valued using the WITH / WITHOUT method, which estimates the intangible value by the difference between discounted cash flow models with and without the asset. |  |

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