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16 Investments (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Equity Attributable To Non-Controlling Shareholders [Roll Forward] |  |  |
Equity attributable to non-controlling shareholders, beginning | R$ 345,798 | R$ 303,289 | R$ 302,661
Net income (loss) | 5,548 |  |
Other comprehensive income | (207) | (601) | 154
Additional dividends proposed | (51,799) | (3,335) |
Dividends | (7,933) | 31,352 | (36,467)
Gain with interest variation in Subsidiary |  | 4,874 |
Equity attributable to non-controlling shareholders, ending | 291,407 | 345,798 | 303,289
Compagas [member] |  |  |
Equity Attributable To Non-Controlling Shareholders [Roll Forward] |  |  |
Equity attributable to non-controlling shareholders, beginning | 273,580 | 212,962 | 194,901
Net income (loss) | 28,898 | 84,758 | 29,213
Other comprehensive income | (168) | (626) | 91
Additional dividends proposed | (51,799) |  |
Dividends | (7,933) | (23,514) | (11,243)
Equity attributable to non-controlling shareholders, ending | 242,578 | 273,580 | 212,962
Elejor [member] |  |  |
Equity Attributable To Non-Controlling Shareholders [Roll Forward] |  |  |
Equity attributable to non-controlling shareholders, beginning | 12,858 | 16,193 | 18,518
Net income (loss) | (8,812) | 7,838 | 22,899
Other comprehensive income |  |  |
Additional dividends proposed |  | (3,335) |
Dividends |  | (7,838) | (25,224)
Equity attributable to non-controlling shareholders, ending | 4,046 | 12,858 | 16,193
UEG Araucaria [member] |  |  |
Equity Attributable To Non-Controlling Shareholders [Roll Forward] |  |  |
Equity attributable to non-controlling shareholders, beginning | 59,360 | 74,134 | 89,242
Net income (loss) | (14,538) | (19,673) | (15,171)
Other comprehensive income | (39) | 25 | 63
Gain with interest variation in Subsidiary |  | 4,874 |
Equity attributable to non-controlling shareholders, ending | R$ 44,783 | R$ 59,360 | R$ 74,134

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