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Consolidated Statement of Changes in Equity - BRL (R$) R$ in Millions | Total | Share capital [member] | Capital reserves [member] | Profits reserves [member] | Equity Valuation adjustments [member] | Retained earnings [member] | Total interest of the controlling shareholders [member] | Total interest of the non-controlling interests [member] | Subscription of shares, to be capitalized [member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | R$ 11,285 | R$ 6,294 | R$ 1,925 | R$ 2,594 | R$ 468 |  | R$ 11,281 | R$ 4 |
Net income for the year | 2,469 |  |  |  |  | R$ 2,469 | 2,469 |  |
Other comprehensive income |  |  |  |  |  |  |  |  |
Remeasurement of obligations of the defined benefit plans, net of taxes | (360) |  |  |  |  |  |  |  |
Remeasurement of obligations of the defined benefit plans, net of taxes | (361) |  |  |  | (361) |  | (361) |  |
Equity gain (loss) on Other comprehensive income in subsidiary and jointly-controlled entity | 54 |  |  |  | 54 |  | 54 |  |
COMPREHENSIVE INCOME FOR THE YEAR | 2,162 |  |  |  | (307) | 2,469 | 2,162 |  |
Other changes in equity: |  |  |  |  |  |  |  |  |
Dividends under the by-laws | (1,056) |  |  |  |  | (1,056) | (1,056) |  |
Interest on Equity | (200) |  |  |  |  | (200) | (200) |  |
Constitution of reserves |  |  |  |  |  |  |  |  |
Tax incentives reserve |  |  |  | 21 |  | (21) |  |  |
Appropriation of retain earnings to profit reserves |  |  |  | 1,251 |  | (1,251) |  |  |
Realization of reserves |  |  |  |  |  |  |  |  |
Realization of deemed cost of PP&E |  |  |  |  | (59) | 59 |  |  |
Ending balance at Dec. 31, 2015 | 12,988 | 6,294 | 1,925 | 4,663 | 102 |  | 12,984 | 4 |
Other changes in equity: |  |  |  |  |  |  |  |  |
Reserve for mandatory dividends not distributed | 797 |  |  | 797 |  |  | 797 |  |
Net income for the year | 334 |  |  |  |  | 334 | 334 |  |
Remeasurement of obligations of the defined benefit plans, net of taxes | (515) |  |  |  | (515) |  | (515) |  |
Equity gain (loss) on Other comprehensive income in subsidiary and jointly-controlled entity | (39) |  |  |  | (39) |  | (39) |  |
COMPREHENSIVE INCOME FOR THE YEAR | (220) |  |  |  | (554) | 334 | (220) |  |
Additional dividends proposed, non-controlling interests | 623 |  |  | 623 |  |  | 623 |  |
Dividends under the by-laws | (380) |  |  | (380) |  |  | (380) |  |
Constitution of reserves |  |  |  |  |  |  |  |  |
Tax incentives reserve |  |  |  | 7 |  | (7) |  |  |
Appropriation of retain earnings to profit reserves |  |  |  | 160 |  | (160) |  |  |
Realization of reserves |  |  |  |  |  |  |  |  |
Realization of deemed cost of PP&E |  |  |  |  | (37) | 37 |  |  |
Ending balance at Dec. 31, 2016 | 12,934 | 6,294 | 1,925 | 5,200 | (489) |  | 12,930 | 4 |
Other changes in equity: |  |  |  |  |  |  |  |  |
Reserve for mandatory dividends not distributed | (77) |  |  | 127 |  | (204) | (77) |  |
Net income for the year | 1,002 |  |  |  |  | 1,001 | 1,001 | 1 |
Remeasurement of obligations of the defined benefit plans, net of taxes | (261) |  |  |  | (261) |  | (261) |  |
Equity gain (loss) on Other comprehensive income in subsidiary and jointly-controlled entity | (41) |  |  |  | (41) |  | (41) |  |
COMPREHENSIVE INCOME FOR THE YEAR | 700 |  |  |  | (302) | 1,001 | 699 | 1 |
Subscription of shares, to be capitalized | 1,215 |  |  |  |  |  | 1,215 |  | R$ 1,215
Additional dividends proposed, non-controlling interests | (1) |  |  |  |  |  |  | (1) |
Dividends under the by-laws | (500) |  |  |  |  | (500) | (500) |  |
Constitution of reserves |  |  |  |  |  |  |  |  |
Tax incentives reserve |  |  |  | 1 |  | (1) |  |  |
Appropriation of retain earnings to profit reserves |  |  |  | 528 |  | (528) |  |  |
Realization of reserves |  |  |  |  |  |  |  |  |
Realization of deemed cost of PP&E | (18) |  |  |  | (46) | R$ 28 | (18) |  |
Ending balance at Dec. 31, 2017 | R$ 14,330 | R$ 6,294 | R$ 1,925 | R$ 5,729 | R$ (837) |  | R$ 14,326 | R$ 4 | R$ 1,215

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