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22. RELATED-PARTY BALANCES AND TRANSACTIONS (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure of transactions between related parties [abstract] |
Schedule of transactions with subsidiaries, joint ventures, associates, exclusive funds and other related parties, by transaction - assets and liabilities |
22.b) | Transactions with subsidiaries, joint ventures, associates, exclusive founds and other related parties
|  | Consolidated
|  | 12/31/2020 |  | 12/31/2019
|  | Subsidiaries and associates |  | Joint-ventures e Joint Operation |  | Other related parties |  | Total |  | Subsidiaries and associates |  | Joint-ventures e Joint Operation |  | Other related parties |  | Total
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments | (1) |  |  |  |  | 3,763,603 |  | 3,763,603 |  |  |  |  |  | 2,116,560 |  | 2,116,560
Trade receivables (note 6) | (2) | 7,686 |  | 8 |  | 113,482 |  | 121,176 |  | 39,435 |  | 797 |  | 130,356 |  | 170,588
Dividends receivable (note 9) | (3) |  |  | 38,088 |  |  |  | 38,088 |  |  |  | 44,554 |  |  |  | 44,554
Other current assets (note 9) |  |  |  | 4,413 |  | 1,829 |  | 6,242 |  |  |  |  |  | 1,830 |  | 1,830
|  | 7,686 |  | 42,509 |  | 3,878,914 |  | 3,929,109 |  | 39,435 |  | 45,351 |  | 2,248,746 |  | 2,333,532
Noncurrent Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments | (1) |  |  |  |  | 123,409 |  | 123,409 |  |  |  |  |  | 95,719 |  | 95,719
Loans (note 9) | (4) | 3,375 |  | 962,675 |  |  |  | 966,050 |  | 1,874 |  | 844,426 |  |  |  | 846,300
Actuarial asset (note 30) |  |  |  |  |  | 13,819 |  | 13,819 |  |  |  |  |  | 13,714 |  | 13,714
Other non-current assets (note 9) | (5) |  |  | 664,020 |  |  |  | 664,020 |  |  |  | 428,672 |  |  |  | 428,672
|  | 3,375 |  | 1,626,695 |  | 137,228 |  | 1,767,298 |  | 1,874 |  | 1,273,098 |  | 109,433 |  | 1,384,405
|  | 11,061 |  | 1,669,204 |  | 4,016,142 |  | 5,696,407 |  | 41,309 |  | 1,318,449 |  | 2,358,179 |  | 3,717,937
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intercompany Loans (note 13) |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,038 |  | 25,038
Trade payables |  |  |  | 106,946 |  | 9,455 |  | 116,401 |  |  |  | 98,496 |  | 142,488 |  | 240,984
Accounts payable (note 15) |  |  |  | 23,555 |  | 2,437 |  | 25,992 |  |  |  | 23,566 |  |  |  | 23,566
Provision for consumption (note 15) |  |  |  | 44,466 |  |  |  | 44,466 |  |  |  | 22,497 |  |  |  | 22,497
|  |  |  | 174,967 |  | 11,892 |  | 186,859 |  |  |  | 144,559 |  | 167,526 |  | 312,085
Noncurrent Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable (note 15) |  |  |  | 78,083 |  |  |  | 78,083 |  |  |  | 88,021 |  |  |  | 88,021
Actuarial liability (note 30) |  |  |  |  |  | 79,546 |  | 79,546 |  |  |  |  |  | 19,788 |  | 19,788
|  |  |  | 78,083 |  | 79,546 |  | 157,629 |  |  |  | 88,021 |  | 19,788 |  | 107,809
|  |  |  | 253,050 |  | 91,438 |  | 344,488 |  |  |  | 232,580 |  | 187,314 |  | 419,894
Schedule of transactions with subsidiaries, joint ventures, associates, exclusive funds and other related parties, by transaction - statement of income |
|  | 12/31/2020 |  | 12/31/2019 |  | 12/31/2018
|  | Subsidiaries and associates |  | Joint-ventures e Joint Operation |  | Other related parties |  | Total |  | Subsidiaries and associates |  | Joint-ventures e Joint Operation |  | Other related parties |  | Total |  | Subsidiaries and associates |  | Joint-ventures e Joint Operation |  | Other related parties |  | Total
P&L |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  | 104,400 |  | 843 |  | 1,568,992 |  | 1,674,235 |  | 75,630 |  |  |  | 1,047,204 |  | 1,122,834 |  | 100,608 |  | 414 |  | 1,177,730 |  | 1,278,751
Cost and expenses |  |  |  | (1,036,420) |  | (104,212) |  | (1,140,632) |  | (231,140) |  | (1,133,142) |  | (594,676) |  | (1,958,958) |  |  |  | (1,307,695) |  | (110,587) |  | (1,418,282)
Financial income (expenses) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest (note 28) |  |  |  | 19,095 |  | 18,421 |  | 37,516 |  |  |  | 43,790 |  | 20,499 |  | 64,289 |  | 234 |  | 33,911 |  | 14,651 |  | 48,796
Exchange rate variations and monetary, net |  |  |  |  |  |  |  |  |  |  |  |  | 3,586 |  | 3,586 |  |  |  |  |  | 13,611 |  | 13,611
Financial investments (note 28) |  |  |  |  |  | 1,190,489 |  | 1,190,489 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other operating income and expenses |  |  |  |  |  |  |  |  |  |  |  | (14,939) |  | (136,004) |  | (150,943) |  |  |  |  |  |  |  | -
|  | 104,400 |  | (1,016,482) |  | 2,673,690 |  | 1,761,608 |  | (155,510) |  | (1,104,291) |  | 340,609 |  | (919,192) |  | 100,842 |  | (1,273,369) |  | 1,095,404 |  | (77,123)
Schedule of key management personnel compensation | The following is information on the compensation of such personnel and the related balances as of December 31, 2020.
|  | P&L
|  | 12/31/2020 |  | 12/31/2019 |  | 12/31/2018
Short-term benefits for employees and officers |  | 40,522 |  | 37,452 |  | 32,848
Post-employment benefits |  | 111 |  | 109 |  | 105
|  | 40,633 |  | 37,561 |  | 32,953
Schedule of guarantees | The Company is liable for guarantees of its subsidiaries and joint ventures as follows:
| Currency |  | Maturities |  | Borrowings | Tax foreclosure | Others | Total
|  |  |  |  | 12/31/2020 |  | 12/31/2019 |  | 12/31/2020 |  | 12/31/2019 |  | 12/31/2020 |  | 12/31/2019 |  | 12/31/2020 |  | 12/31/2019
Transnordestina Logísitca | R$ |  | Up to 09/19/2056 and Indefinite |  | 2,478,105 |  | 2,428,194 |  | 35,496 |  | 37,406 |  | 3,298 |  | 8,702 |  | 2,516,899 |  | 2,474,302
FTL - Ferrovia Transnordestina | R$ |  | Up to 04/01/2021 |  |  |  | 43,118 |  |  |  |  |  |  |  |  |  |  |  | 43,118
Cia Metalurgica Prada | R$ |  | Indefinite |  |  |  |  |  | 196 |  | 457 |  | 244 |  | 235 |  | 440 |  | 692
CSN Energia | R$ |  | Up to 11/26/2023 and indefinite |  |  |  |  |  |  |  | 3,141 |  | 1,920 |  | 1,920 |  | 1,920 |  | 5,061
CSN Mineração | R$ |  | Up to 12/21/2024 |  | 846,749 |  | 1,184,048 |  |  |  |  |  |  |  |  |  | 846,749 |  | 1,184,048
Estanho de Rondônia | R$ |  | 7/15/2022 |  | 1,154 |  | 1,902 |  |  |  |  |  |  |  |  |  | 1,154 |  | 1,902
Minérios Nacional S.A. | R$ |  | Up to 09/10/2021 |  | 1,946 |  | 4,544 |  |  |  |  |  |  |  |  |  | 1,946 |  | 4,544
Total in R$ |  |  |  |  | 3,327,954 |  | 3,661,806 |  | 35,692 |  | 41,004 |  | 5,462 |  | 10,857 |  | 3,369,108 |  | 3,713,667
CSN Inova Ventures | US$ |  | 01/28/2028 |  | 1,300,000 |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |
CSN Islands XII | US$ |  | Perpetual |  | 1,000,000 |  | 1,000,000 |  |  |  |  |  |  |  |  |  | 1,000,000 |  | 1,000,000
CSN Resources | US$ |  | Up to 04/17/2026 |  | 1,525,000 |  | 1,958,603 |  |  |  |  |  |  |  |  |  | 1,525,000 |  | 1,958,603
Total in US$ |  |  |  |  | 3,825,000 |  | 2,958,603 |  |  |  |  |  |  |  |  |  | 3,825,000 |  | 2,958,603
CSN Steel S.L. | EUR |  |  |  |  |  | 24,000 |  |  |  |  |  |  |  |  |  |  |  | 24,000
Total in EUR |  |  |  |  |  |  | 24,000 |  |  |  |  |  |  |  |  |  |  |  | 24,000
Total in R$ |  |  |  |  | 19,877,378 |  | 12,033,973 |  |  |  |  |  |  |  |  |  | 19,877,378 |  | 12,033,973
|  |  |  |  | 23,205,332 |  | 15,695,779 |  | 35,692 |  | 41,004 |  | 5,462 |  | 10,857 |  | 23,246,486 |  | 15,747,640

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