19 Earnings per share
Basic earnings per share
Basic earnings per share is calculated by dividing the net income attributable to owners, after deduction of coupons on perpetual securities and non-cumulative subordinated notes by the weighted average number of common shares, excluding common shares purchased by the Company and held as treasury shares (refer to note 32.1 Share capital – par value and 32.3 Treasury shares respectively).
| 2017 | 2016 | 2015 | ||||||||||
|
Net income / (loss) attributable to owners |
2,469 | 437 | (432 | ) | ||||||||
|
Coupons on perpetual securities |
(103 | ) | (105 | ) | (111 | ) | ||||||
|
Coupons on non-cumulative subordinated notes |
(28 | ) | (28 | ) | (28 | ) | ||||||
|
Net income / (loss) attributable to owners for basic earnings per share calculation |
2,338 | 304 | (571 | ) | ||||||||
|
Net income / (loss) attributable to common shareholders |
2,321 | 302 | (567 | ) | ||||||||
|
Net income / (loss) attributable to common shareholders B |
16 | 2 | (4 | ) | ||||||||
|
Weighted average number of common shares outstanding (in million) |
2,042 | 2,048 | 2,101 | |||||||||
|
Weighted average number of common shares B outstanding (in million) |
575 | 575 | 584 | |||||||||
|
Basic earnings per common share (EUR per share) |
1.14 | 0.15 | (0.27 | ) | ||||||||
|
Basic earnings per common share B (EUR per share) |
0.03 | - | (0.01 | ) | ||||||||
Diluted earnings per share
The diluted earnings per share equaled the basic earnings per share for all years disclosed since there were no outstanding share options which were considered dilutive.