| 2017 | 2016 | 2015 | ||||||||||
| Income tax expense - current | (5,332.3 | ) | (413.9 | ) | (1,227.8 | ) | ||||||
| Deferred tax expense on temporary differences | 891.9 | (732.5 | ) | (2,192.4 | ) | |||||||
| Deferred tax over taxes losses carryforwards movements in the current period | (638.9 | ) | 831.4 | (214.0 | ) | |||||||
| Total deferred tax (expense)/income | 253.0 | 98.9 | (2,406.4 | ) | ||||||||
| Total income tax expenses | (5,079.3 | ) | (315.0 | ) | (3,634.2 | ) | ||||||