XML 155 R118.htm IDEA: XBRL DOCUMENT
v3.22.1

Loan and Lease Operations - Summary of Reconciliation of Gross Portfolio of Loan Operations and Lease Operations (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | R$ 47,051 |
Closing balance | 41,079 | R$ 47,051
Cost [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 714,104 | 585,791
Cure from Stage 1 |  | (19,238)
Derecognition | (18,007) | (13,638)
Acquisition / (Settlement) | 126,493 | 141,951
Closing balance | 822,590 | 714,104
Cost [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 134,521 | 100,789
Cure from Stage 1 |  | (996)
Derecognition | (310) | (570)
Acquisition / (Settlement) | 823 | 33,162
Closing balance | 135,034 | 134,521
Cost [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 121,955 | 90,733
Cure from Stage 1 |  | (4,827)
Derecognition | (2,354) | (1,836)
Acquisition / (Settlement) | 30,369 | 33,058
Closing balance | 149,970 | 121,955
Cost [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 202,145 |
Derecognition | (5,034) |
Acquisition / (Settlement) | 7,939 |
Closing balance | 205,050 | 202,145
Cost [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 255,483 | 240,490
Cure from Stage 1 |  | (10,186)
Derecognition | (10,309) | (11,764)
Acquisition / (Settlement) | 87,362 | 26,757
Closing balance | 332,536 | 255,483
Cost [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 202,145 | 153,779
Cure from Stage 1 |  | (3,229)
Derecognition |  | (608)
Acquisition / (Settlement) |  | 48,974
Closing balance |  | 202,145
Cost [member] | Stage 1 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 587,208 | 501,889
Transfer to Stage 2 | (53,989) | (62,348)
Transfer to Stage 3 | (3,661) | (5,818)
Cure from Stage 2 | 29,550 | 19,238
Cure from Stage 3 | 657 | 1,259
Acquisition / (Settlement) | 142,399 | 132,988
Closing balance | 702,164 | 587,208
Cost [member] | Stage 1 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 123,665 | 91,448
Transfer to Stage 2 | (865) | (2,822)
Transfer to Stage 3 | (109) | (82)
Cure from Stage 2 | 1,338 | 996
Cure from Stage 3 | 43 | 299
Acquisition / (Settlement) | 4,447 | 33,826
Closing balance | 128,519 | 123,665
Cost [member] | Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 96,784 | 77,722
Transfer to Stage 2 | (14,019) | (14,370)
Transfer to Stage 3 | (960) | (1,501)
Cure from Stage 2 | 9,630 | 4,827
Cure from Stage 3 | 146 | 875
Acquisition / (Settlement) | 32,974 | 29,231
Closing balance | 124,555 | 96,784
Cost [member] | Stage 1 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 199,158 | 199,907
Transfer to Stage 2 | (30,578) | (32,363)
Transfer to Stage 3 | (1,663) | (1,779)
Cure from Stage 2 | 12,788 | 10,186
Cure from Stage 3 |  | 38
Acquisition / (Settlement) | 90,666 | 23,169
Closing balance | 270,371 | 199,158
Cost [member] | Stage 1 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 167,601 | 132,812
Transfer to Stage 2 | (8,527) | (12,793)
Transfer to Stage 3 | (929) | (2,456)
Cure from Stage 2 | 5,794 | 3,229
Cure from Stage 3 | 468 | 47
Acquisition / (Settlement) | 14,312 | 46,762
Closing balance | 178,719 | 167,601
Cost [member] | Stage 2 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 66,243 | 41,920
Transfer to Stage 1 | 53,989 | 62,348
Transfer to Stage 3 | (13,886) | (21,719)
Cure from Stage 1 | (29,550) |
Cure from Stage 3 | 2,862 | 2,332
Acquisition / (Settlement) | (9,752) | 600
Closing balance | 69,906 | 66,243
Cost [member] | Stage 2 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 2,793 | 911
Transfer to Stage 1 | 865 | 2,822
Transfer to Stage 3 | (182) | (370)
Cure from Stage 1 | (1,338) |
Cure from Stage 3 | 20 | 51
Acquisition / (Settlement) | (558) | 375
Closing balance | 1,600 | 2,793
Cost [member] | Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 15,965 | 7,225
Transfer to Stage 1 | 14,019 | 14,370
Transfer to Stage 3 | (2,867) | (2,193)
Cure from Stage 1 | (9,630) |
Cure from Stage 3 | 742 | 483
Acquisition / (Settlement) | (1,480) | 907
Closing balance | 16,749 | 15,965
Cost [member] | Stage 2 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 30,793 | 19,070
Transfer to Stage 1 | 30,578 | 32,363
Transfer to Stage 3 | (7,207) | (7,158)
Cure from Stage 1 | (12,788) |
Cure from Stage 3 | 1,141 | 964
Acquisition / (Settlement) | (4,349) | (4,260)
Closing balance | 38,168 | 30,793
Cost [member] | Stage 2 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 16,692 | 14,714
Transfer to Stage 1 | 8,527 | 12,793
Transfer to Stage 3 | (3,630) | (11,998)
Cure from Stage 1 | (5,794) |
Cure from Stage 3 | 959 | 834
Acquisition / (Settlement) | (3,365) | 3,578
Closing balance | 13,389 | 16,692
Cost [member] | Stage 3 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 60,653 | 41,982
Transfer to Stage 1 | 3,661 | 5,818
Transfer to Stage 2 | 13,886 | 21,719
Cure from Stage 1 | (657) | (1,259)
Cure from Stage 2 | (2,862) | (2,332)
Derecognition | (18,007) | (13,638)
Acquisition / (Settlement) | (6,154) | 8,363
Closing balance | 50,520 | 60,653
Cost [member] | Stage 3 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 8,063 | 8,430
Transfer to Stage 1 | 109 | 82
Transfer to Stage 2 | 182 | 370
Cure from Stage 1 | (43) | (299)
Cure from Stage 2 | (20) | (51)
Derecognition | (310) | (570)
Acquisition / (Settlement) | (3,066) | (1,039)
Closing balance | 4,915 | 8,063
Cost [member] | Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 9,206 | 5,786
Transfer to Stage 1 | 960 | 1,501
Transfer to Stage 2 | 2,867 | 2,193
Cure from Stage 1 | (146) | (875)
Cure from Stage 2 | (742) | (483)
Derecognition | (2,354) | (1,836)
Acquisition / (Settlement) | (1,125) | 2,920
Closing balance | 8,666 | 9,206
Cost [member] | Stage 3 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 25,532 | 21,513
Transfer to Stage 1 | 1,663 | 1,779
Transfer to Stage 2 | 7,207 | 7,158
Cure from Stage 1 | 0 | (38)
Cure from Stage 2 | (1,141) | (964)
Derecognition | (10,309) | (11,764)
Acquisition / (Settlement) | 1,045 | 7,848
Closing balance | 23,997 | 25,532
Cost [member] | Stage 3 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | 17,852 | 6,253
Transfer to Stage 1 | 929 | 2,456
Transfer to Stage 2 | 3,630 | 11,998
Cure from Stage 1 | (468) | (47)
Cure from Stage 2 | (959) | (834)
Derecognition | (5,034) | (608)
Acquisition / (Settlement) | (3,008) | (1,366)
Closing balance | R$ 12,942 | R$ 17,852

X
- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
Name: | ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The decrease in financial assets resulting from derecognition. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph IG20B -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35I -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I_c&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35H -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DecreaseThroughDerecognitionFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Acquisition and settlement of allowance account for credit losses of financial assets + References No definition available. + Details
Name: | itub_AcquisitionAndSettlementOfAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cure from stage one allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | itub_CureFromStageOneAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cure from stage three allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | itub_CureFromStageThreeAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cure from stage two allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | itub_CureFromStageTwoAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure of loans and lease operations + References No definition available. + Details
Name: | itub_DisclosureOfLoansAndLeaseOperationsLineItems
Namespace Prefix: | itub_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfer to (from) stage one allowance account for credit losses of financial assets + References No definition available. + Details
Name: | itub_TransferToFromStageOneAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Transfers to (from) stage three allowance account for credit losses of financial assets + References No definition available. + Details
Name: | itub_TransfersToFromStageThreeAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Transfers to stage two allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | itub_TransfersToStageTwoAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | itub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_CorporateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=itub_MicroSmallAndMediumCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=itub_ForeignLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=itub_IndividualsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=itub_StageOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=itub_StageTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=itub_StageThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |