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v3.19.1

Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 0.00% |  |
Beginning balance | R$ 19,383 | R$ 17,056 |
Ending balance | 19,329 | 19,383 | R$ 17,056
Cost [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | 24,699 | 20,919 | 11,109
Acquisitions | 1,381 | 2,553 | 10,552
Terminated agreements / derecognition | (738) | (368) | (420)
Exchange variation | 808 | 1,287 | (73)
Other | (21) | 308 | (249)
Ending balance | 26,129 | 24,699 | 20,919
Depreciation and Amortization [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (4,919) | (3,455) | (2,719)
Terminated agreements / derecognition | 703 | 320 | 374
Exchange variation | (277) | 35 | 73
Other | 38 | (361) | 100
Ending balance | (6,232) | (4,919) | (3,455)
Amortization expense | (1,777) | (1,458) | (1,283)
Impairment [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (397) | (408) | (38)
Exchange variation | (4) | 25 | 3
Ending balance | (568) | (397) | (408)
Increase | R$ (167) | R$ (14) | (375)
Write off |  |  | R$ 2
Goodwill and intangible assets from acquisition [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 20.00% | 20.00% | 20.00%
Beginning balance | R$ 11,139 | R$ 9,860 |
Ending balance | 11,438 | 11,139 | R$ 9,860
Goodwill and intangible assets from acquisition [member] | Cost [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | 11,162 | 9,694 | 2,081
Acquisitions | 8 | 634 | 7,706
Terminated agreements / derecognition |  | (22) | (35)
Exchange variation | 560 | 1,305 | (58)
Other | (266) | (449) |
Ending balance | 11,464 | 11,162 | 9,694
Goodwill and intangible assets from acquisition [member] | Depreciation and Amortization [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (23) | 166 | 153
Other | (3) | (189) | 13
Ending balance | R$ (26) | R$ (23) | R$ 166
Association for the promotion and offer of financial products and service [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 8.00% | 8.00% | 8.00%
Beginning balance | R$ 1,805 | R$ 1,372 |
Ending balance | 1,662 | 1,805 | R$ 1,372
Association for the promotion and offer of financial products and service [Member] | Cost [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | 2,452 | 1,748 | 1,409
Acquisitions | 1 | 18 | 719
Terminated agreements / derecognition | (27) | (16) | (73)
Exchange variation | 47 | 25 | (12)
Other | 56 | 677 | (295)
Ending balance | 2,529 | 2,452 | 1,748
Association for the promotion and offer of financial products and service [Member] | Depreciation and Amortization [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (647) | (376) | (330)
Terminated agreements / derecognition | 27 | 16 | 67
Exchange variation | (141) | (17) | 84
Other | 117 | 3 | 66
Ending balance | (867) | (647) | (376)
Amortization expense | R$ (223) | R$ (273) | (263)
Association for the promotion and offer of financial products and service [Member] | Impairment [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance |  |  | (2)
Write off |  |  | R$ 2
Acquisition of software [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 20.00% | 20.00% | 20.00%
Beginning balance | R$ 2,519 | R$ 2,085 |
Ending balance | 2,521 | 2,519 | R$ 2,085
Acquisition of software [Member] | Cost [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | 4,571 | 3,840 | 2,362
Acquisitions | 646 | 1,206 | 1,293
Terminated agreements / derecognition | (312) |  | (3)
Exchange variation | 205 | (77) | 120
Other | 137 | (398) | 68
Ending balance | 5,247 | 4,571 | 3,840
Acquisition of software [Member] | Depreciation and Amortization [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (1,998) | (1,701) | (1,190)
Terminated agreements / derecognition | 312 |  | 1
Exchange variation | (152) | 79 | (107)
Other | (67) | 119 | 24
Ending balance | (2,501) | (1,998) | (1,701)
Amortization expense | (596) | (495) | (429)
Acquisition of software [Member] | Impairment [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (54) | (54) |
Exchange variation | (4) |  | 3
Ending balance | (225) | R$ (54) | (54)
Increase | R$ (167) |  | R$ (57)
Internally developed software [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 20.00% | 20.00% | 20.00%
Beginning balance | R$ 2,743 | R$ 2,658 |
Ending balance | 2,363 | 2,743 | R$ 2,658
Internally developed software [member] | Cost [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | 4,353 | 3,525 | 3,311
Acquisitions | 318 | 350 | 215
Terminated agreements / derecognition | (189) | (1) | (1)
Other | 47 | 479 |
Ending balance | 4,529 | 4,353 | 3,525
Internally developed software [member] | Depreciation and Amortization [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (1,267) | (532) | (252)
Terminated agreements / derecognition | 154 | (6) |
Other | (13) | (283) |
Ending balance | (1,823) | (1,267) | (532)
Amortization expense | (697) | (446) | (280)
Internally developed software [member] | Impairment [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (343) | (335) | (18)
Exchange variation |  | 6 |
Ending balance | (343) | (343) | (335)
Increase |  | (14) | (317)
Other intangible assets [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | 1,177 | 1,081 |
Ending balance | R$ 1,345 | R$ 1,177 | R$ 1,081
Other intangible assets [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 10.00% | 10.00% | 10.00%
Other intangible assets [member] | Top of range [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Annual amortization rates | 20.00% | 20.00% | 20.00%
Other intangible assets [member] | Cost [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | R$ 2,161 | R$ 2,112 | R$ 1,946
Acquisitions | 408 | 345 | 619
Terminated agreements / derecognition | (210) | (329) | (308)
Exchange variation | (4) | 34 | (123)
Other | 5 | (1) | (22)
Ending balance | 2,360 | 2,161 | 2,112
Other intangible assets [member] | Depreciation and Amortization [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance | (984) | (1,012) | (1,100)
Terminated agreements / derecognition | 210 | 310 | 306
Exchange variation | 16 | (27) | 96
Other | 4 | (11) | (3)
Ending balance | (1,015) | (984) | (1,012)
Amortization expense | R$ (261) | (244) | (311)
Other intangible assets [member] | Impairment [Member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Beginning balance |  | (19) | (18)
Exchange variation |  | R$ 19 |
Ending balance |  |  | (19)
Increase |  |  | R$ (1)

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