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v3.19.1

Loan Operations 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, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | R$ (36,469) | R$ (34,525) | R$ (32,033)
Derecognition | 13,547 | 16,437 | 19,974
Net increase / (Reversal) | (10,587) | (18,381) | (22,466)
Closing balance | (33,509) | (36,469) | (34,525)
Corporate [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (11,452) | (11,089) | (8,059)
Derecognition | 1,172 | 956 | 2,995
Net increase / (Reversal) | 913 | (1,319) | (6,025)
Closing balance | (9,367) | (11,452) | (11,089)
Small and medium businesses [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (5,404) | (6,366) | (7,216)
Derecognition | 2,471 | 3,648 | 3,862
Net increase / (Reversal) | (1,599) | (2,686) | (3,012)
Closing balance | (4,532) | (5,404) | (6,366)
Individuals [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (14,830) | (14,790) | (15,639)
Derecognition | 8,520 | 10,728 | 12,103
Net increase / (Reversal) | (8,115) | (10,768) | (11,254)
Closing balance | (14,425) | (14,830) | (14,790)
Individuals [member] | Vehicles [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (547) | (675) | (950)
Derecognition | 283 | 433 | 671
Net increase / (Reversal) | (259) | (305) | (396)
Closing balance | (523) | (547) | (675)
Individuals [member] | Credit card [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (6,684) | (5,693) | (6,051)
Derecognition | 3,155 | 3,891 | 4,641
Net increase / (Reversal) | (2,548) | (4,882) | (4,283)
Closing balance | (6,077) | (6,684) | (5,693)
Individuals [member] | Personal loan [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (5,138) | (6,038) | (6,454)
Derecognition | 3,724 | 5,190 | 5,592
Net increase / (Reversal) | (4,033) | (4,290) | (5,176)
Closing balance | (5,447) | (5,138) | (6,038)
Individuals [member] | Payroll loans [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (2,368) | (2,284) | (2,106)
Derecognition | 1,336 | 1,177 | 1,151
Net increase / (Reversal) | (1,247) | (1,261) | (1,329)
Closing balance | (2,279) | (2,368) | (2,284)
Individuals [member] | Mortgages [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (93) | (100) | (78)
Derecognition | 22 | 37 | 48
Net increase / (Reversal) | (28) | (30) | (70)
Closing balance | (99) | (93) | (100)
Foreign [member] | Foreign loans - Latin America [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (4,783) | (2,280) | (1,119)
Derecognition | 1,384 | 1,105 | 1,014
Net increase / (Reversal) | (1,786) | (3,608) | (2,175)
Closing balance | (5,185) | (4,783) | (2,280)
Stage 1 [Member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (6,447) | (5,686) | (9,332)
Transfer to Stage 2 | 1,070 | 262 | 418
Transfer to Stage 3 | 409 | 184 | 2,599
Cure from the Stage 2 | (1,483) | (469) | (638)
Cure from the Stage 3 | (134) | (101) | (232)
Net increase / (Reversal) | (346) | (637) | 1,499
Closing balance | (6,931) | (6,447) | (5,686)
Stage 1 [Member] | Corporate [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (451) | (616) | (2,826)
Transfer to Stage 2 | 7 | 7 | 136
Transfer to Stage 3 | 1 | 6 | 355
Cure from the Stage 2 | (259) | (104) | (172)
Cure from the Stage 3 | (85) | (23) |
Net increase / (Reversal) | 256 | 279 | 1,891
Closing balance | (531) | (451) | (616)
Stage 1 [Member] | Small and medium businesses [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (1,149) | (1,016) | (2,033)
Transfer to Stage 2 | 213 | 51 | 115
Transfer to Stage 3 | 75 | 29 | 603
Cure from the Stage 2 | (177) | (79) | (170)
Cure from the Stage 3 | (4) | (6) | (121)
Net increase / (Reversal) | (70) | (128) | 590
Closing balance | (1,112) | (1,149) | (1,016)
Stage 1 [Member] | Individuals [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (3,834) | (3,352) | (4,035)
Transfer to Stage 2 | 708 | 107 | 161
Transfer to Stage 3 | 313 | 118 | 1,387
Cure from the Stage 2 | (388) | (220) | (188)
Cure from the Stage 3 |  | (22) | (104)
Net increase / (Reversal) | (691) | (465) | (573)
Closing balance | (3,892) | (3,834) | (3,352)
Stage 1 [Member] | Individuals [member] | Vehicles [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (123) | (135) | (230)
Transfer to Stage 2 | 55 | 15 | 15
Transfer to Stage 3 | 8 | 8 | 67
Cure from the Stage 2 | (16) | (16) | (40)
Cure from the Stage 3 |  | (2) | (13)
Net increase / (Reversal) | (65) | 7 | 66
Closing balance | (141) | (123) | (135)
Stage 1 [Member] | Individuals [member] | Credit card [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (2,135) | (1,685) | (2,096)
Transfer to Stage 2 | 303 | 50 | 32
Transfer to Stage 3 | 70 | 21 | 761
Cure from the Stage 2 | (246) | (135) | (37)
Cure from the Stage 3 |  | (6) | (4)
Net increase / (Reversal) | 7 | (380) | (341)
Closing balance | (2,001) | (2,135) | (1,685)
Stage 1 [Member] | Individuals [member] | Personal loan [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (759) | (733) | (886)
Transfer to Stage 2 | 250 | 29 | 76
Transfer to Stage 3 | 153 | 56 | 337
Cure from the Stage 2 | (39) | (24) | (82)
Cure from the Stage 3 |  | (9) | (66)
Net increase / (Reversal) | (568) | (78) | (112)
Closing balance | (963) | (759) | (733)
Stage 1 [Member] | Individuals [member] | Payroll loans [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (805) | (787) | (811)
Transfer to Stage 2 | 98 | 12 | 38
Transfer to Stage 3 | 82 | 33 | 221
Cure from the Stage 2 | (79) | (40) | (21)
Cure from the Stage 3 |  | (4) | (15)
Net increase / (Reversal) | (73) | (19) | (199)
Closing balance | (777) | (805) | (787)
Stage 1 [Member] | Individuals [member] | Mortgages [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (12) | (12) | (12)
Transfer to Stage 2 | 2 | 1 |
Transfer to Stage 3 |  |  | 1
Cure from the Stage 2 | (8) | (5) | (8)
Cure from the Stage 3 |  | (1) | (6)
Net increase / (Reversal) | 8 | 5 | 13
Closing balance | (10) | (12) | (12)
Stage 1 [Member] | Foreign [member] | Foreign loans - Latin America [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (1,013) | (702) | (438)
Transfer to Stage 2 | 142 | 97 | 6
Transfer to Stage 3 | 20 | 31 | 254
Cure from the Stage 2 | (659) | (66) | (108)
Cure from the Stage 3 | (45) | (50) | (7)
Net increase / (Reversal) | 159 | (323) | (409)
Closing balance | (1,396) | (1,013) | (702)
Stage 3 [Member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (24,715) | (23,737) | (17,714)
Transfer to Stage 1 | 134 | 101 | 231
Transfer to Stage 2 | 892 | 356 | 11,313
Cure from the Stage 1 | (409) | (184) | (2,599)
Cure from the Stage 2 | (4,287) | (1,116) | (1,923)
Derecognition | 13,547 | 16,437 | 19,974
Net increase / (Reversal) | (7,289) | (16,572) | (33,019)
Closing balance | (22,127) | (24,715) | (23,737)
Stage 3 [Member] | Corporate [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (9,827) | (8,972) | (3,155)
Transfer to Stage 1 | 85 | 23 |
Transfer to Stage 2 | 147 | 36 | 1,558
Cure from the Stage 1 | (1) | (6) | (355)
Cure from the Stage 2 | (193) | (89) | (684)
Derecognition | 1,172 | 956 | 2,995
Net increase / (Reversal) | 376 | (1,775) | (9,331)
Closing balance | (8,241) | (9,827) | (8,972)
Stage 3 [Member] | Small and medium businesses [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (3,554) | (4,452) | (4,462)
Transfer to Stage 1 | 4 | 6 | 121
Transfer to Stage 2 | 195 | 153 | 3,037
Cure from the Stage 1 | (75) | (29) | (603)
Cure from the Stage 2 | (430) | (182) | (287)
Derecognition | 2,471 | 3,648 | 3,862
Net increase / (Reversal) | (1,474) | (2,698) | (6,120)
Closing balance | (2,863) | (3,554) | (4,452)
Stage 3 [Member] | Individuals [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (8,787) | (9,206) | (9,697)
Transfer to Stage 1 |  | 22 | 103
Transfer to Stage 2 | 145 | 112 | 6,528
Cure from the Stage 1 | (313) | (118) | (1,387)
Cure from the Stage 2 | (3,258) | (721) | (860)
Derecognition | 8,520 | 10,728 | 12,103
Net increase / (Reversal) | (4,724) | (9,604) | (15,996)
Closing balance | (8,417) | (8,787) | (9,206)
Stage 3 [Member] | Individuals [member] | Vehicles [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (316) | (393) | (565)
Transfer to Stage 1 |  | 2 | 13
Transfer to Stage 2 | 16 | 14 | 309
Cure from the Stage 1 | (8) | (8) | (67)
Cure from the Stage 2 | (113) | (43) | (55)
Derecognition | 283 | 433 | 671
Net increase / (Reversal) | (150) | (321) | (699)
Closing balance | (288) | (316) | (393)
Stage 3 [Member] | Individuals [member] | Credit card [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (3,288) | (2,863) | (3,158)
Transfer to Stage 1 |  | 6 | 4
Transfer to Stage 2 | 29 | 5 | 2,403
Cure from the Stage 1 | (70) | (21) | (761)
Cure from the Stage 2 | (1,309) | (293) | (418)
Derecognition | 3,155 | 3,891 | 4,641
Net increase / (Reversal) | (1,507) | (4,013) | (5,574)
Closing balance | (2,990) | (3,288) | (2,863)
Stage 3 [Member] | Individuals [member] | Personal loan [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (3,812) | (4,643) | (4,850)
Transfer to Stage 1 |  | 9 | 66
Transfer to Stage 2 | 78 | 57 | 2,881
Cure from the Stage 1 | (153) | (56) | (337)
Cure from the Stage 2 | (1,194) | (261) | (329)
Derecognition | 3,724 | 5,190 | 5,592
Net increase / (Reversal) | (2,452) | (4,108) | (7,666)
Closing balance | (3,809) | (3,812) | (4,643)
Stage 3 [Member] | Individuals [member] | Payroll loans [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (1,301) | (1,246) | (1,074)
Transfer to Stage 1 |  | 4 | 15
Transfer to Stage 2 | 13 | 27 | 913
Cure from the Stage 1 | (82) | (33) | (221)
Cure from the Stage 2 | (628) | (121) | (54)
Derecognition | 1,336 | 1,177 | 1,151
Net increase / (Reversal) | (597) | (1,109) | (1,976)
Closing balance | (1,259) | (1,301) | (1,246)
Stage 3 [Member] | Individuals [member] | Mortgages [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (70) | (61) | (50)
Transfer to Stage 1 |  | 1 | 5
Transfer to Stage 2 | 9 | 9 | 22
Cure from the Stage 1 |  |  | (1)
Cure from the Stage 2 | (14) | (3) | (4)
Derecognition | 22 | 37 | 48
Net increase / (Reversal) | (18) | (53) | (81)
Closing balance | (71) | (70) | (61)
Stage 3 [Member] | Foreign [member] | Foreign loans - Latin America [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (2,547) | (1,107) | (400)
Transfer to Stage 1 | 45 | 50 | 7
Transfer to Stage 2 | 405 | 55 | 190
Cure from the Stage 1 | (20) | (31) | (254)
Cure from the Stage 2 | (406) | (124) | (92)
Derecognition | 1,384 | 1,105 | 1,014
Net increase / (Reversal) | (1,467) | (2,495) | (1,572)
Closing balance | (2,606) | (2,547) | (1,107)
Stage 2 [Member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (5,307) | (5,102) | (4,987)
Transfer to Stage 1 | 1,483 | 469 | 638
Transfer to Stage 3 | 4,287 | 1,116 | 1,923
Cure from the Stage 1 | (1,070) | (262) | (418)
Cure from the Stage 3 | (892) | (356) | (11,313)
Net increase / (Reversal) | (2,952) | (1,172) | 9,055
Closing balance | (4,451) | (5,307) | (5,102)
Stage 2 [Member] | Corporate [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (1,174) | (1,501) | (2,078)
Transfer to Stage 1 | 259 | 104 | 172
Transfer to Stage 3 | 193 | 89 | 684
Cure from the Stage 1 | (7) | (7) | (136)
Cure from the Stage 3 | (147) | (36) | (1,558)
Net increase / (Reversal) | 281 | 177 | 1,415
Closing balance | (595) | (1,174) | (1,501)
Stage 2 [Member] | Small and medium businesses [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (701) | (898) | (721)
Transfer to Stage 1 | 177 | 79 | 170
Transfer to Stage 3 | 430 | 182 | 287
Cure from the Stage 1 | (213) | (51) | (115)
Cure from the Stage 3 | (195) | (153) | (3,037)
Net increase / (Reversal) | (55) | 140 | 2,518
Closing balance | (557) | (701) | (898)
Stage 2 [Member] | Individuals [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (2,209) | (2,232) | (1,907)
Transfer to Stage 1 | 388 | 220 | 188
Transfer to Stage 3 | 3,258 | 721 | 860
Cure from the Stage 1 | (708) | (107) | (161)
Cure from the Stage 3 | (145) | (112) | (6,528)
Net increase / (Reversal) | (2,700) | (699) | 5,316
Closing balance | (2,116) | (2,209) | (2,232)
Stage 2 [Member] | Individuals [member] | Vehicles [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (108) | (147) | (155)
Transfer to Stage 1 | 16 | 16 | 40
Transfer to Stage 3 | 113 | 43 | 55
Cure from the Stage 1 | (55) | (15) | (15)
Cure from the Stage 3 | (16) | (14) | (309)
Net increase / (Reversal) | (44) | 9 | 237
Closing balance | (94) | (108) | (147)
Stage 2 [Member] | Individuals [member] | Credit card [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (1,261) | (1,145) | (797)
Transfer to Stage 1 | 246 | 135 | 37
Transfer to Stage 3 | 1,309 | 293 | 418
Cure from the Stage 1 | (303) | (50) | (32)
Cure from the Stage 3 | (29) | (5) | (2,403)
Net increase / (Reversal) | (1,048) | (489) | 1,632
Closing balance | (1,086) | (1,261) | (1,145)
Stage 2 [Member] | Individuals [member] | Personal loan [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (567) | (662) | (718)
Transfer to Stage 1 | 39 | 24 | 82
Transfer to Stage 3 | 1,194 | 261 | 329
Cure from the Stage 1 | (250) | (29) | (76)
Cure from the Stage 3 | (78) | (57) | (2,881)
Net increase / (Reversal) | (1,013) | (104) | 2,602
Closing balance | (675) | (567) | (662)
Stage 2 [Member] | Individuals [member] | Payroll loans [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (262) | (251) | (221)
Transfer to Stage 1 | 79 | 40 | 21
Transfer to Stage 3 | 628 | 121 | 54
Cure from the Stage 1 | (98) | (12) | (38)
Cure from the Stage 3 | (13) | (27) | (913)
Net increase / (Reversal) | (577) | (133) | 846
Closing balance | (243) | (262) | (251)
Stage 2 [Member] | Individuals [member] | Mortgages [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (11) | (27) | (16)
Transfer to Stage 1 | 8 | 5 | 8
Transfer to Stage 3 | 14 | 3 | 4
Cure from the Stage 1 | (2) | (1) |
Cure from the Stage 3 | (9) | (9) | (22)
Net increase / (Reversal) | (18) | 18 | (1)
Closing balance | (18) | (11) | (27)
Stage 2 [Member] | Foreign [member] | Foreign loans - Latin America [member] |  |  |
Disclosure of loans and lease operations [Line Items] |  |  |
Beginning balance | (1,223) | (471) | (281)
Transfer to Stage 1 | 659 | 66 | 108
Transfer to Stage 3 | 406 | 124 | 92
Cure from the Stage 1 | (142) | (97) | (6)
Cure from the Stage 3 | (405) | (55) | (190)
Net increase / (Reversal) | (478) | (790) | (194)
Closing balance | R$ (1,183) | R$ (1,223) | R$ (471)

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