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v3.22.1

Loan and Lease Operations - Summary of Reconciliation of Expected Loan Losses for Loan Operations and Lease Operations (Detail) - Expected credit losses [member] - 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$ (48,322) | R$ (37,508)
Derecognition | 18,007 | 13,638
Net increase / (Reversal) | (14,001) | (24,452)
Closing balance | (44,316) | (48,322)
Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (7,953) | (6,885)
Derecognition | 310 | 570
Net increase / (Reversal) | 2,836 | (498)
Closing balance | (4,807) | (7,953)
Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (6,369) | (4,549)
Derecognition | 2,354 | 1,836
Net increase / (Reversal) | (3,376) | (3,656)
Closing balance | (7,391) | (6,369)
Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (21,130) | (19,453)
Derecognition | 10,309 | 11,764
Net increase / (Reversal) | (13,399) | (13,441)
Closing balance | (24,220) | (21,130)
Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (12,870) | (6,621)
Derecognition | 5,034 | 608
Net increase / (Reversal) | (62) | (6,857)
Closing balance | (7,898) | (12,870)
Stage 1 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (9,805) | (8,166)
Transfer to Stage 2 | 2,289 | 2,719
Transfer to Stage 3 | 287 | 803
Cure from Stage 2 | (1,354) | (1,115)
Cure from Stage 3 | (99) | (70)
Net increase / (Reversal) | (2,767) | (3,976)
Closing balance | (11,449) | (9,805)
Stage 1 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (740) | (506)
Transfer to Stage 2 | 36 | 205
Transfer to Stage 3 | 8 | 3
Cure from Stage 2 | (132) | (180)
Cure from Stage 3 | (2) | (17)
Net increase / (Reversal) | 417 | (245)
Closing balance | (413) | (740)
Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (1,273) | (1,092)
Transfer to Stage 2 | 592 | 698
Transfer to Stage 3 | 64 | 90
Cure from Stage 2 | (464) | (306)
Cure from Stage 3 | (51) | (41)
Net increase / (Reversal) | (680) | (622)
Closing balance | (1,812) | (1,273)
Stage 1 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (5,403) | (5,215)
Transfer to Stage 2 | 1,435 | 1,541
Transfer to Stage 3 | 203 | 197
Cure from Stage 2 | (579) | (525)
Net increase / (Reversal) | (2,507) | (1,401)
Closing balance | (6,851) | (5,403)
Stage 1 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (2,389) | (1,353)
Transfer to Stage 2 | 226 | 275
Transfer to Stage 3 | 12 | 513
Cure from Stage 2 | (179) | (104)
Cure from Stage 3 | (46) | (12)
Net increase / (Reversal) | 3 | (1,708)
Closing balance | (2,373) | (2,389)
Stage 2 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (7,882) | (6,557)
Transfer to Stage 1 | (2,289) | (2,719)
Transfer to Stage 3 | 4,223 | 5,569
Cure from Stage 1 | 1,354 | 1,115
Cure from Stage 3 | (481) | (388)
Net increase / (Reversal) | (3,200) | (4,902)
Closing balance | (8,275) | (7,882)
Stage 2 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (1,261) | (91)
Transfer to Stage 1 | (36) | (205)
Transfer to Stage 3 | 32 | 63
Cure from Stage 1 | 132 | 180
Cure from Stage 3 | (6) | (9)
Net increase / (Reversal) | 274 | (1,199)
Closing balance | (865) | (1,261)
Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (1,337) | (890)
Transfer to Stage 1 | (592) | (698)
Transfer to Stage 3 | 685 | 550
Cure from Stage 1 | 464 | 306
Cure from Stage 3 | (112) | (92)
Net increase / (Reversal) | (664) | (513)
Closing balance | (1,556) | (1,337)
Stage 2 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (3,255) | (2,811)
Transfer to Stage 1 | (1,435) | (1,541)
Transfer to Stage 3 | 2,639 | 2,872
Cure from Stage 1 | 579 | 525
Cure from Stage 3 | (79) | (69)
Net increase / (Reversal) | (2,950) | (2,231)
Closing balance | (4,501) | (3,255)
Stage 2 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (2,029) | (2,765)
Transfer to Stage 1 | (226) | (275)
Transfer to Stage 3 | 867 | 2,084
Cure from Stage 1 | 179 | 104
Cure from Stage 3 | (284) | (218)
Net increase / (Reversal) | 140 | (959)
Closing balance | (1,353) | (2,029)
Stage 3 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (30,635) | (22,785)
Transfer to Stage 1 | (287) | (803)
Transfer to Stage 2 | (4,223) | (5,569)
Cure from Stage 1 | 99 | 70
Cure from Stage 2 | 481 | 388
Derecognition | 18,007 | 13,638
Net increase / (Reversal) | (8,034) | (15,574)
Closing balance | (24,592) | (30,635)
Stage 3 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (5,952) | (6,288)
Transfer to Stage 1 | (8) | (3)
Transfer to Stage 2 | (32) | (63)
Cure from Stage 1 | 2 | 17
Cure from Stage 2 | 6 | 9
Derecognition | 310 | 570
Net increase / (Reversal) | 2,145 | 946
Closing balance | (3,529) | (5,952)
Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (3,759) | (2,567)
Transfer to Stage 1 | (64) | (90)
Transfer to Stage 2 | (685) | (550)
Cure from Stage 1 | 51 | 41
Cure from Stage 2 | 112 | 92
Derecognition | 2,354 | 1,836
Net increase / (Reversal) | (2,032) | (2,521)
Closing balance | (4,023) | (3,759)
Stage 3 [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Transfer to Stage 1 | (12) |
Transfer to Stage 2 | (867) |
Cure from Stage 1 | 46 |
Cure from Stage 2 | 284 |
Stage 3 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (12,472) | (11,427)
Transfer to Stage 1 | (203) | (197)
Transfer to Stage 2 | (2,639) | (2,872)
Cure from Stage 1 | 0 | 0
Cure from Stage 2 | 79 | 69
Derecognition | 10,309 | 11,764
Net increase / (Reversal) | (7,942) | (9,809)
Closing balance | (12,868) | (12,472)
Stage 3 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (8,452) | (2,503)
Transfer to Stage 1 |  | (513)
Transfer to Stage 2 |  | (2,084)
Cure from Stage 1 |  | 12
Cure from Stage 2 |  | 218
Derecognition | 5,034 | 608
Net increase / (Reversal) | (205) | (4,190)
Closing balance | R$ (4,172) | R$ (8,452)

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