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Earnings per share (Tables) | 12 Months Ended
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Dec. 31, 2019
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Summary of Basic Earnings Per Share |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Net income / (loss) attributable to owners |  |  | 1,239 |  |  |  | 710 |  |  |  | 2,469 |
Coupons on perpetual securities |  |  | (88) |  |  |  | (102 | ) |  |  | (103 | )
Coupons on non-cumulative subordinated notes |  |  | - |  |  |  | (11 | ) |  |  | (28 | )
Net income / (loss) attributable to owners for basic earnings per share calculation |  |  | 1,151 |  |  |  | 597 |  |  |  | 2,338 |
Net income / (loss) attributable to common shareholders |  |  | 1,143 |  |  |  | 593 |  |  |  | 2,321 |
Net income / (loss) attributable to common shareholders B |  |  | 8 |  |  |  | 4 |  |  |  | 16 |
Weighted average number of common shares outstanding (in million) |  |  | 2,042 |  |  |  | 2,036 |  |  |  | 2,042 |
Weighted average number of common shares B outstanding (in million) |  |  | 572 |  |  |  | 571 |  |  |  | 575 |
Basic earnings per common share (EUR per share) |  |  | 0.56 |  |  |  | 0.29 |  |  |  | 1.14 |
Basic earnings per common share B (EUR per share) |  |  | 0.01 |  |  |  | 0.01 |  |  |  | 0.03 |

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- Definition The disclosure of earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2019-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2019-en-r&anchor=para_66&doctype=Standard -URIDate 2019-03-27 + Details
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