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Related parties (Tables) | 12 Months Ended
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Dec. 31, 2019
Text Block [Abstract] |
Summary of Transactions Between Related Parties | a) Transactions with related parties:
|  | ITAÚ UNIBANCO HOLDING |
|  | Annual rate |  | Assets / (Liabilities) |  |  | Revenue / (Expenses) |
|  | 12/31/2019 |  |  | 12/31/2018 |  |  | 01/01 to 12/31/2019 |  |  | 01/01 to 12/31/2018 |  |  | 01/01 to 12/31/2017 |
Short-term Interbank investments |  |  |  |  | 1,000 |  |  |  | — |  |  |  | 58 |  |  |  | — |  |  |  | — |
Other |  | 4.4% |  |  | 1,000 |  |  |  | — |  |  |  | 58 |  |  |  | — |  |  |  | — |
Loans |  |  |  |  | 83 |  |  |  | 144 |  |  |  | 6 |  |  |  | 187 |  |  |  | 6 |
Alpargatas S.A. |  | 2.35% to 6% / 2% + CDI |  |  | 30 |  |  |  | 49 |  |  |  | 1 |  |  |  | 3 |  |  |  | 6 |
Other |  | 113% CDI |  |  | 53 |  |  |  | 95 |  |  |  | 5 |  |  |  | 184 |  |  |  | — |
Derivative financial instruments - assets and liabilities |  |  |  |  | 99 |  |  |  | — |  |  |  | 0 |  |  |  | (138 | ) |  |  | — |
Investment funds |  |  |  |  | 99 |  |  |  | — |  |  |  | 0 |  |  |  | — |  |  |  | — |
Other |  |  |  |  | 0 |  |  |  | — |  |  |  | 0 |  |  |  | (138 | ) |  |  | — |
Deposits |  |  |  |  | 0 |  |  |  | (70 | ) |  |  | (1 | ) |  |  | (10 | ) |  |  | (1 | )
Olĺmpia Promoção e Serviços S.A. |  |  |  |  | 0 |  |  |  | — |  |  |  | (1 | ) |  |  | (1 | ) |  |  | (1 | )
Other |  |  |  |  | 0 |  |  |  | (70 | ) |  |  | 0 |  |  |  | (9 | ) |  |  | — |
Deposits received under securities repurchase agreements |  |  |  |  | (374 | ) |  |  | (29 | ) |  |  | (14 | ) |  |  | (2 | ) |  |  | (2 | )
Duratex S.A. |  | 76% to 97.50% CDI |  |  | (43 | ) |  |  | (19 | ) |  |  | (2 | ) |  |  | (1 | ) |  |  | (1 | )
Other |  | 75% to 96% CDI / 3.75% |  |  | (331 | ) |  |  | (10 | ) |  |  | (12 | ) |  |  | (1 | ) |  |  | (1 | )
Amounts receivable from (payable to) related companies / Revenues from banking services and general and administritative (expenses) |  |  |  |  | (151 | ) |  |  | (126 | ) |  |  | 3 |  |  |  | 50 |  |  |  | 37 |
ConectCar Soluções de Mobilidade Eletrônica S.A. |  |  |  |  | (46 | ) |  |  | (34 | ) |  |  | 7 |  |  |  | 4 |  |  |  | 3 |
Itaú Unibanco Foundation - Supplementary Pensions |  |  |  |  | (93 | ) |  |  | (98 | ) |  |  | 43 |  |  |  | 51 |  |  |  | 37 |
Itaúsa Investimentos Itaú S.A. |  |  |  |  | 1 |  |  |  | — |  |  |  | (28 | ) |  |  | 6 |  |  |  | 5 |
Olĺmpia Promoção e Serviços S.A. |  |  |  |  | (5 | ) |  |  | (3 | ) |  |  | (31 | ) |  |  | (25 | ) |  |  | (18 | )
Other |  |  |  |  | (8 | ) |  |  | 9 |  |  |  | 12 |  |  |  | 14 |  |  |  | 10 |
Rent revenues (expenses) |  |  |  |  | 0 |  |  |  | — |  |  |  | (39 | ) |  |  | (46 | ) |  |  | (34 | )
FUNBEP - Multisponsored Association |  |  |  |  | 0 |  |  |  | — |  |  |  | (6 | ) |  |  | (7 | ) |  |  | — |
Itaú Unibanco Foundation - Supplementary Pensions |  |  |  |  | 0 |  |  |  | — |  |  |  | (32 | ) |  |  | (36 | ) |  |  | (27 | )
Other |  |  |  |  | 0 |  |  |  | — |  |  |  | (1 | ) |  |  | (3 | ) |  |  | (7 | )
Donation expenses |  |  |  |  | 0 |  |  |  | — |  |  |  | (35 | ) |  |  | (95 | ) |  |  | (93 | )
Itaú para Educação e Cultura Foundation |  |  |  |  | 0 |  |  |  | — |  |  |  | (35 | ) |  |  | (95 | ) |  |  | (93 | )
Sponsorship expenses |  |  |  |  | 29 |  |  |  | — |  |  |  | (15 | ) |  |  | (32 | ) |  |  | (32 | )
Itaú Cubo Coworking Association |  |  |  |  | 29 |  |  |  | — |  |  |  | (14 | ) |  |  | (31 | ) |  |  | (31 | )
Itaú Viver Mais Association |  |  |  |  | 0 |  |  |  | — |  |  |  | (1 | ) |  |  | (1 | ) |  |  | (1 | )
Summary of Compensation and Benefits of Key Management Personnel | b) Compensation and Benefits of Key Management Personnel Compensation and benefits attributed to Managers Members, members of the Audit Committee and the Board of Directors of ITAÚ UNIBANCO HOLDING in the period correspond to:
|  | 01/01 to 12/31/2019 |  |  | 01/01 to 12/31/2018 |  |  | 01/01 to 12/31/2017 |
Fees |  |  | (499 | ) |  |  | (481 | ) |  |  | (426 | )
Profit sharing |  |  | (363 | ) |  |  | (258 | ) |  |  | (244 | )
Post-employment benefits |  |  | (6 | ) |  |  | (9 | ) |  |  | (9 | )
Share-based payment plan |  |  | (224 | ) |  |  | (212 | ) |  |  | (220 | )
Total |  |  | (1,092 | ) |  |  | (960 | ) |  |  | (899 | )

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- Definition The disclosure of amounts incurred by the entity for provision of key management personnel services that are provided by separate management entities. [Refer: Key management personnel of entity or parent [member]; Separate management entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18A -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18A&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18&doctype=Standard -URIDate 2019-03-27 + Details
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- References No definition available. + Details
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