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Investments in associates and joint ventures | 12 Months Ended
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Dec. 31, 2018
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Investments in associates and joint ventures | Note 11 - Investments in associates and joint ventures a) The following table shows the main investments of ITAÚ UNIBANCO HOLDING:
|  | 12/31/2018 |
|  | Investment |  |  | Equity in earnings |  |  | Other comprehensive income |  |  | Total comprehensive results |
Associates (a) |  |  | 11,802 |  |  |  | 798 |  |  |  | 0 |  |  |  | 798 |
Joint ventures (b) |  |  | 217 |  |  |  | (51 | ) |  |  | 0 |  |  |  | (51 | )
Total |  |  | 12,019 |  |  |  | 747 |  |  |  | 0 |  |  |  | 747 |
|  | 12/31/2017 |  |  | 01/01 to 12/31/2016 |
|  | Investment |  |  | Equity in earnings |  |  | Other comprehensive income |  |  | Total comprehensive results |  |  | Equity in earnings |
Associates (a) |  |  | 4,851 |  |  |  | 578 |  |  |  | (102 | ) |  |  | 476 |  |  |  | 557 |
Joint ventures (b) |  |  | 204 |  |  |  | (28 | ) |  |  | — |  |  |  | (28 | ) |  |  | (29 | )
Total |  |  | 5,055 |  |  |  | 550 |  |  |  | (102 | ) |  |  | 448 |  |  |  | 528 |
(a) | At 12/31/2018, includes interest in total capital and voting capital of the following companies: XP Investimentos S.A. (49.90% total capital and 30.06% voting capital); Porto Seguro Itaú Unibanco Participações S.A. (42.93% total and voting capital; 42.93% at 12/31/2017); BSF Holding S.A. (49% total and voting capital; 49% at 12/31/2017); IRB-Brasil Resseguros S.A. (11,20% total capital and 11.20% voting capital; 11,20% total capital and 11.20% voting capital at 12/31/2017); Gestora de Inteligência de Crédito S.A (20% total and voting capital; 20% at 12/31/2017), Compañia Uruguaya de Medios de Procesamiento S.A. (35.83% total and voting capital; 35.83% at 12/31/2017); Rias Redbanc S.A. (25% total and voting capital; 25% at 12/31/2017); Kinea Private Equity Investimentos S.A. (80% total capital and 40% voting capital; 80% total capital and 49% voting capital at 12/31/2017) and Tecnologia Bancária S.A. (28.95% total and voting capital; and 28.95% at 12/31/2017).
(b) | At 12/31/2018, includes interest in total and voting capital of the following companies: Olimpia Promoção e Serviços S.A. (50% total and voting capital; 50% at 12/31/2017); ConectCar Soluções de Mobilidade Eletrônica S.A. (50% total and voting capital; 50% at 12/31/2017) and includes result not arising from controlled companies’ net income.

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- Definition The disclosure of investments accounted for using the equity method. [Refer: Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
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