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Earnings per share | 12 Months Ended
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Dec. 31, 2018
Text block1 [abstract] |
Earnings per share |
Note | 25 – Earnings per share
a) | Earning per share basic
Net income attributable to ITAÚ UNIBANCO HOLDING’s shareholders is divided by the average number of outstanding shares in the period, excluding treasury shares.
|  | 01/01 to 12/31/2018 |  |  | 01/01 to 12/31/2017 |  |  | 01/01 to 12/31/2016 |
Net income attributable to owners of the parent company |  |  | 24,907 |  |  |  | 23,193 |  |  |  | 21,627 |
Minimum non-cumulative dividend on preferred shares |  |  | (104 | ) |  |  | (105 | ) |  |  | (105 | )
Retained earnings to be distributed to common equity owners in an amount per share equal to the minimum dividend payable to preferred equity owners |  |  | (109 | ) |  |  | (110 | ) |  |  | (111 | )
Retained earnings to be distributed, on a pro-rata basis, to common and preferred equity owners |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 12,599 |  |  |  | 11,828 |  |  |  | 11,002 |
Preferred |  |  | 12,095 |  |  |  | 11,150 |  |  |  | 10,409 |
Total net income available to equity owners: |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 12,708 |  |  |  | 11,938 |  |  |  | 11,113 |
Preferred |  |  | 12,199 |  |  |  | 11,255 |  |  |  | 10,514 |
Weighted average number of shares outstanding (Note 19a) |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 4,958,290,359 |  |  |  | 5,021,834,934 |  |  |  | 5,027,611,714 |
Preferred |  |  | 4,759,872,085 |  |  |  | 4,734,030,111 |  |  |  | 4,756,823,490 |
Earnings per share - Basic – R$ |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 2.56 |  |  |  | 2.38 |  |  |  | 2.21 |
Preferred |  |  | 2.56 |  |  |  | 2.38 |  |  |  | 2.21 |
b) | Earnings per share diluted
Calculated similarly to the basic earnings per share; however, it includes the conversion of all preferred shares potentially dilutable in the denominator.
|  | 01/01 to 12/31/2018 |  |  | 01/01 to 12/31/2017 |  |  | 01/01 to 12/31/2016 |
Total net income available to preferred equity owners |  |  | 12,199 |  |  |  | 11,255 |  |  |  | 10,514 |
Dividend on preferred shares after dilution effects |  |  | 72 |  |  |  | 76 |  |  |  | 74 |
Net income available to preferred equity owners considering preferred shares after the dilution effect |  |  | 12,271 |  |  |  | 11,331 |  |  |  | 10,588 |
Total net income available to ordinary equity owners |  |  | 12,708 |  |  |  | 11,938 |  |  |  | 11,113 |
Dividend on preferred shares after dilution effects |  |  | (72 | ) |  |  | (76 | ) |  |  | (74 | )
Net income available to ordinary equity owners considering preferred shares after the dilution effect |  |  | 12,636 |  |  |  | 11,862 |  |  |  | 11,039 |
Adjusted weighted average of shares (Note 19a) |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 4,958,290,359 |  |  |  | 5,021,834,934 |  |  |  | 5,027,611,714 |
Preferred |  |  | 4,815,473,777 |  |  |  | 4,796,645,028 |  |  |  | 4,821,864,280 |
Preferred |  |  | 4,759,872,085 |  |  |  | 4,734,030,111 |  |  |  | 4,756,823,490 |
Incremental from stock options granted under our share-based payment |  |  | 55,601,692 |  |  |  | 62,614,917 |  |  |  | 65,040,790 |
Earnings per share - diluted – R$ |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 2.55 |  |  |  | 2.36 |  |  |  | 2.20 |
Preferred |  |  | 2.55 |  |  |  | 2.36 |  |  |  | 2.20 |
Potential anti-dilution effects of shares under our share-based payment, excluded from the calculation of diluted earnings per share, totaled 538,312 preferred shares at 12/31/2017 and 13,938,070 preferred shares at 12/31/2016. In 2018 doesn’t have this effect.

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