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Consolidated Statement of Changes in Shareholders' Equity - BRL (R$) R$ in Thousands | Paid In Capital [Member] | Capital reserve [member] | Miscellaneous other reserves [member] | Retained earnings [member] | Accumulated other comprehensive income [member] | Equity attributable to owners of parent [member] | Non-controlling interests [member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, value at Dec. 31, 2018 | R$ 4,540,000 | R$ 32,720 | R$ 3,064,827 |  | R$ 1,065,188 | R$ 8,702,735 | R$ 1,310,705 | R$ 10,013,440
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
Capital transactions with shareholders |  |  |  | (422,694) |  | (422,694) | (578,862) | (1,001,556)
Ending balance, value at Dec. 31, 2019 | 4,540,000 | 32,720 | 4,431,200 |  | 1,170,624 | 10,174,544 | 1,187,388 | 11,361,932
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
Dividends |  |  |  | (424,903) |  | (424,903) | (513,842) | (938,745)
Interest on equity |  |  |  |  |  |  | (65) | (65)
Reversal by prescription of dividends and interest on shareholder’s equity |  |  |  | 2,209 |  | 2,209 |  | 2,209
Total comprehensive income |  |  |  | 1,789,067 | 105,436 | 1,894,503 | 455,545 | 2,350,048
Profit/(loss) for the year |  |  |  | 1,789,067 |  | 1,789,067 | 455,444 | 2,244,511
Other comprehensive income |  |  |  |  | 105,436 | 105,436 | 101 | 105,537
Cumulative translation adjustments for the year |  |  |  |  | 32,922 | 32,922 |  | 32,922
Actuarial gain/(loss) on defined benefit pension plan, net of taxes |  |  |  |  | (113,195) | (113,195) | (193) | (113,388)
(Loss)/gain on the percentage change in investments |  |  |  |  | (2,288) | (2,288) | 294 | (1,994)
Gain/(loss) on cash flow hedge accounting, net of taxes |  |  |  |  | 185,525 | 185,525 |  | 185,525
Gain/(loss) on hedge of net investments in foreign subsidiaries |  |  |  |  | 2,472 | 2,472 |  | 2,472
Internal changes in shareholders’ equity |  |  | 1,366,373 | (1,366,373) |  |  |  |
Constitution of reserves |  |  | 1,366,373 | (1,366,373) |  |  |  |
Capital transactions with shareholders | 1,500,000 |  | (1,500,000) | (901,145) |  | (901,145) | (347,458) | (1,248,603)
Proposed capital increase | 1,500,000 |  | (1,500,000) |  |  |  |  |
Ending balance, value at Dec. 31, 2020 | 6,040,000 | 32,720 | 5,824,350 |  | (1,983,619) | 9,913,451 | 1,338,054 | 11,251,505
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
Dividends |  |  |  | (901,145) |  | (901,145) | (296,936) | (1,198,081)
Interest on equity |  |  |  |  |  |  | (50,522) | (50,522)
Total comprehensive income |  |  |  | 3,794,295 | (3,154,243) | 640,052 | 498,124 | 1,138,176
Profit/(loss) for the year |  |  |  | 3,794,295 |  | 3,794,295 | 498,323 | 4,292,618
Other comprehensive income |  |  |  |  | (3,154,243) | (3,154,243) | (199) | (3,154,442)
Cumulative translation adjustments for the year |  |  |  |  | 581,175 | 581,175 |  | 581,175
Actuarial gain/(loss) on defined benefit pension plan, net of taxes |  |  |  |  | 133,069 | 133,069 | (131) | 132,938
(Loss)/gain on the percentage change in investments |  |  |  |  | 6,102 | 6,102 |  | 6,102
Gain/(loss) on cash flow hedge accounting, net of taxes |  |  |  |  | (3,869,765) | (3,869,765) | (68) | (3,869,833)
Gain/(loss) on hedge of net investments in foreign subsidiaries |  |  |  |  | (4,824) | (4,824) |  | (4,824)
Internal changes in shareholders’ equity |  |  | 2,893,150 | (2,893,150) |  |  |  |
Constitution of reserves |  |  | 2,893,150 | (2,893,150) |  |  |  |
Capital transactions with shareholders | 4,200,000 |  | (5,078,666) | (2,911,424) | 827,414 | (2,962,676) | 526,141 | (2,436,535)
Treasury shares acquired by subsidiary |  |  |  |  | (509,377) | (509,377) | (141,639) | (651,016)
Proposed capital increase | 4,200,000 |  | (4,200,000) |  |  |  | 294,900 | 294,900
Ending balance, value at Dec. 31, 2021 | R$ 10,240,000 | 32,720 | 10,092,888 |  | (50,610) | 20,314,998 | 3,059,391 | 23,374,389
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
Treasury shares acquired |  |  | (878,666) |  |  | (878,666) |  | (878,666)
Dividends |  |  |  | (2,654,471) |  | (2,654,471) | (598,095) | (3,252,566)
Interest on equity |  |  |  | (256,953) |  | (256,953) | (95,895) | (352,848)
Net gain of transaction primary and secondary distribution shares of CSN Mineração |  |  |  |  | 829,486 | 829,486 | 923,159 | 1,752,645
Total comprehensive income |  |  |  | 12,258,628 | 1,105,595 | 13,364,223 | 1,195,196 | 14,559,419
Profit/(loss) for the year |  |  |  | 12,258,628 |  | 12,258,628 | 1,336,993 | 13,595,621
Other comprehensive income |  |  |  |  | 1,105,595 | 1,105,595 | (141,797) | 963,798
Cumulative translation adjustments for the year |  |  |  |  | (8,097) | (8,097) |  | (8,097)
Actuarial gain/(loss) on defined benefit pension plan, net of taxes |  |  |  |  | 301,379 | 301,379 | (226) | 301,153
(Loss)/gain on the percentage change in investments |  |  |  |  | (2,072) | (2,072) | 2,072 |
Gain/(loss) on cash flow hedge accounting, net of taxes |  |  |  |  | R$ 1,321,690 | R$ 1,321,690 | R$ 68 | R$ 1,321,758
Internal changes in shareholders’ equity |  |  | 9,347,204 | (9,347,204) |  |  |  |
Constitution of reserves |  |  | R$ 9,347,204 | R$ (9,347,204) |  |  |  |

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