| R$ thousand | |||
| Years ended December 31 | |||
| 2017 | 2016 | 2015 | |
| Tax expenses | (5,960,618) | (6,331,651) | (4,791,754) |
| Legal provision | (1,238,057) | (2,927,734) | (1,439,460) |
| Variation in monetary liabilities | 31,710 | (699,719) | (597,240) |
| Income from sales of non-current assets, investments, and property and equipment, net | (412,957) | (467,042) | (277,232) |
| Other (1) | (2,553,435) | (3,578,016) | (5,882,867) |
| Total | (10,133,357) | (14,004,162) | (12,988,553) |
(1) Includes: (i) the effect of the (additions)/reversal of provision for tax contingency in 2017 - R$ 487,269 thousand (2016 - R$ (484,227) thousand and 2015 - R$ (570,835) thousand); (ii) impairment losses in the amount of 2017 - R$ 185,188 thousand (2016 - R$ 31,256 thousand and 2015 - R$ 207,880 thousand); and (iii) operating expense related of insurance operation in 2017 - R$ 1,354,719 thousand (2016 - R$ 1,388,645 thousand and 2015 - R$ 1,281,381 thousand).