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v3.20.1

Loan and Lease Operations Portfolio - 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, 2019 | Dec. 31, 2018
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | R$ (33,509) | R$ (36,469)
Derecognition | 14,299 | 13,547
Net increase / (Reversal) | (18,298) | (10,587)
Closing balance | (37,508) | (33,509)
Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (9,367) | (11,452)
Derecognition | 884 | 1,172
Net increase / (Reversal) | 1,492 | 913
Closing balance | (6,991) | (9,367)
Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (4,532) | (5,404)
Derecognition | 1,995 | 2,471
Net increase / (Reversal) | (1,906) | (1,599)
Closing balance | (4,443) | (4,532)
Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (14,425) | (14,830)
Derecognition | 9,710 | 8,520
Net increase / (Reversal) | (14,738) | (8,115)
Closing balance | (19,453) | (14,425)
Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (5,185) | (4,783)
Derecognition | 1,710 | 1,384
Net increase / (Reversal) | (3,146) | (1,786)
Closing balance | (6,621) | (5,185)
Stage 1 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (6,931) | (6,447)
Transfer to Stage 2 | 1,388 | 1,070
Transfer to Stage 3 | 373 | 409
Cure from the Stage 2 | (730) | (1,483)
Cure from the Stage 3 | (50) | (134)
Net increase / (Reversal) | (2,216) | (346)
Closing balance | (8,166) | (6,931)
Stage 1 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (531) | (451)
Transfer to Stage 2 | 59 | 7
Transfer to Stage 3 | 2 | 1
Cure from the Stage 2 | (170) | (259)
Cure from the Stage 3 |  | (85)
Net increase / (Reversal) | 123 | 256
Closing balance | (517) | (531)
Stage 1 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (1,112) | (1,149)
Transfer to Stage 2 | 225 | 213
Transfer to Stage 3 | 71 | 75
Cure from the Stage 2 | (136) | (177)
Cure from the Stage 3 | (10) | (4)
Net increase / (Reversal) | (119) | (70)
Closing balance | (1,081) | (1,112)
Stage 1 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (3,892) | (3,834)
Transfer to Stage 2 | 846 | 708
Transfer to Stage 3 | 282 | 313
Cure from the Stage 2 | (264) | (388)
Net increase / (Reversal) | (2,187) | (691)
Closing balance | (5,215) | (3,892)
Stage 1 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (1,396) | (1,013)
Transfer to Stage 2 | 258 | 142
Transfer to Stage 3 | 18 | 20
Cure from the Stage 2 | (160) | (659)
Cure from the Stage 3 | (40) | (45)
Net increase / (Reversal) | (33) | 159
Closing balance | (1,353) | (1,396)
Stage 2 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (4,451) | (5,307)
Transfer to Stage 1 | 730 | 1,483
Transfer to Stage 3 | 4,438 | 4,287
Cure from the Stage 1 | (1,388) | (1,070)
Cure from the Stage 3 | (566) | (892)
Net increase / (Reversal) | (5,320) | (2,952)
Closing balance | (6,557) | (4,451)
Stage 2 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (595) | (1,174)
Transfer to Stage 1 | 170 | 259
Transfer to Stage 3 | 269 | 193
Cure from the Stage 1 | (59) | (7)
Cure from the Stage 3 |  | (147)
Net increase / (Reversal) | 109 | 281
Closing balance | (106) | (595)
Stage 2 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (557) | (701)
Transfer to Stage 1 | 136 | 177
Transfer to Stage 3 | 490 | 430
Cure from the Stage 1 | (225) | (213)
Cure from the Stage 3 | (143) | (195)
Net increase / (Reversal) | (576) | (55)
Closing balance | (875) | (557)
Stage 2 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (2,116) | (2,209)
Transfer to Stage 1 | 264 | 388
Transfer to Stage 3 | 3,117 | 3,258
Cure from the Stage 1 | (846) | (708)
Cure from the Stage 3 | (155) | (145)
Net increase / (Reversal) | (3,075) | (2,700)
Closing balance | (2,811) | (2,116)
Stage 2 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (1,183) | (1,223)
Transfer to Stage 1 | 160 | 659
Transfer to Stage 3 | 562 | 406
Cure from the Stage 1 | (258) | (142)
Cure from the Stage 3 | (268) | (405)
Net increase / (Reversal) | (1,778) | (478)
Closing balance | (2,765) | (1,183)
Stage 3 [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (22,127) | (24,715)
Transfer to Stage 1 | 50 | 134
Transfer to Stage 2 | 566 | 892
Cure from the Stage 1 | (373) | (409)
Cure from the Stage 2 | (4,438) | (4,287)
Derecognition | 14,299 | 13,547
Net increase / (Reversal) | (10,762) | (7,289)
Closing balance | (22,785) | (22,127)
Stage 3 [member] | Corporate [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (8,241) | (9,827)
Transfer to Stage 1 |  | 85
Transfer to Stage 2 |  | 147
Cure from the Stage 1 | (2) | (1)
Cure from the Stage 2 | (269) | (193)
Derecognition | 884 | 1,172
Net increase / (Reversal) | 1,260 | 376
Closing balance | (6,368) | (8,241)
Stage 3 [member] | Micro/Small and medium companies [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (2,863) | (3,554)
Transfer to Stage 1 | 10 | 4
Transfer to Stage 2 | 143 | 195
Cure from the Stage 1 | (71) | (75)
Cure from the Stage 2 | (490) | (430)
Derecognition | 1,995 | 2,471
Net increase / (Reversal) | (1,211) | (1,474)
Closing balance | (2,487) | (2,863)
Stage 3 [member] | Individuals [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (8,417) | (8,787)
Transfer to Stage 2 | 155 | 145
Cure from the Stage 1 | (282) | (313)
Cure from the Stage 2 | (3,117) | (3,258)
Derecognition | 9,710 | 8,520
Net increase / (Reversal) | (9,476) | (4,724)
Closing balance | (11,427) | (8,417)
Stage 3 [member] | Foreign [member] | Foreign loans - Latin America [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Beginning balance | (2,606) | (2,547)
Transfer to Stage 1 | 40 | 45
Transfer to Stage 2 | 268 | 405
Cure from the Stage 1 | (18) | (20)
Cure from the Stage 2 | (562) | (406)
Derecognition | 1,710 | 1,384
Net increase / (Reversal) | (1,335) | (1,467)
Closing balance | R$ (2,503) | R$ (2,606)

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