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Fair Value of Financial Instruments - Summary of Breakdown of Fair Value Hierarchy Levels (Detail) - BRL (R$) R$ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | R$ 322,929 | R$ 286,646
Financial assets at fair value through other comprehensive income | 76,660 | 49,323
Financial assets designated at fair value through profit or loss | 1,035 | 1,269
Financial liabilities designated at fair value through profit or loss | 201 | 192
Structured notes [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial liabilities designated at fair value through profit or loss | 201 | 192
United States [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income |  | 193
Peru [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 8 |
Financial Assets Designated As At Fair Value Through Profit And Loss [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 280,040 | 261,911
Brazilian government securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 219,611 | 217,058
Financial assets at fair value through other comprehensive income | 50,732 | 27,839
Brazilian external debt bonds [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets designated at fair value through profit or loss | 1,035 | 1,269
Government securities - other countries [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 1,520 | 2,079
Financial assets at fair value through other comprehensive income | 20,571 | 18,772
Government securities - other countries [member] | Argentina [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 318 | 1,129
Government securities - other countries [member] | Chile [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 488 | 302
Financial assets at fair value through other comprehensive income | 11,208 | 7,653
Government securities - other countries [member] | Colombia [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 409 | 207
Financial assets at fair value through other comprehensive income | 3,878 | 5,505
Government securities - other countries [member] | United States [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 141 | 117
Financial assets at fair value through other comprehensive income | 2,756 | 2,618
Government securities - other countries [member] | Mexico [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 57 | 120
Government securities - other countries [member] | Paraguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 2 | 1
Financial assets at fair value through other comprehensive income | 1,780 | 1,529
Government securities - other countries [member] | Uruguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 97 | 84
Financial assets at fair value through other comprehensive income | 597 | 553
Government securities - other countries [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 4
Financial assets at fair value through other comprehensive income | 0 | 1
Government securities - other countries [member] | Germany [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 23 | 22
Government securities - other countries [member] | France [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 | 891
Government securities - other countries [member] | Italy [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 115
Financial assets at fair value through other comprehensive income | 329 |
Corporate debt securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 50,642 | 38,448
Financial assets at fair value through other comprehensive income | 5,357 | 2,712
Corporate debt securities [member] | Negotiable Shares [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 14,637 | 9,446
Financial assets at fair value through other comprehensive income | 149 | 161
Corporate debt securities [member] | Bank deposit certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 792 | 969
Financial assets at fair value through other comprehensive income | 2,371 | 1,053
Corporate debt securities [member] | Real estate receivables certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 1,444 | 1,411
Financial assets at fair value through other comprehensive income | 26 |
Corporate debt securities [member] | Debentures [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 12,655 | 4,960
Financial assets at fair value through other comprehensive income | 334 | 2
Corporate debt securities [member] | Eurobonds and others [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 2,173 | 1,396
Financial assets at fair value through other comprehensive income | 2,477 | 1,496
Corporate debt securities [member] | Financial credit bills [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 18,514 | 19,724
Corporate debt securities [member] | Promissory notes [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 313 | 435
Corporate debt securities [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 114 | 107
Investment funds [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 8,267 | 4,326
Level 1 [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 72,455 | 30,680
Financial assets designated at fair value through profit or loss | 1,035 | 1,269
Financial liabilities designated at fair value through profit or loss | 0 |
Level 1 [Member] | Structured notes [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial liabilities designated at fair value through profit or loss | 0 |
Level 1 [Member] | Real estate receivables certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 1 [Member] | Financial credit bills [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 1 [Member] | Promissory notes [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 1 [Member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 1 [Member] | Peru [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 8 |
Level 1 [Member] | Financial Assets Designated As At Fair Value Through Profit And Loss [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 234,583 | 224,872
Level 1 [Member] | Brazilian government securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 216,167 | 213,816
Financial assets at fair value through other comprehensive income | 49,879 | 27,038
Level 1 [Member] | Brazilian external debt bonds [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets designated at fair value through profit or loss | 1,035 | 1,269
Level 1 [Member] | Government securities - other countries [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 1,520 | 1,517
Financial assets at fair value through other comprehensive income | 20,571 | 2,448
Level 1 [Member] | Government securities - other countries [member] | Argentina [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 318 | 1,129
Level 1 [Member] | Government securities - other countries [member] | Chile [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 488 | 147
Financial assets at fair value through other comprehensive income | 11,208 |
Level 1 [Member] | Government securities - other countries [member] | Colombia [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 409 |
Financial assets at fair value through other comprehensive income | 3,878 |
Level 1 [Member] | Government securities - other countries [member] | United States [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 141 | 117
Financial assets at fair value through other comprehensive income | 2,756 | 2,425
Level 1 [Member] | Government securities - other countries [member] | Mexico [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 57 | 120
Level 1 [Member] | Government securities - other countries [member] | Paraguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 2 |
Financial assets at fair value through other comprehensive income | 1,780 |
Level 1 [Member] | Government securities - other countries [member] | Uruguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 97 |
Financial assets at fair value through other comprehensive income | 597 |
Level 1 [Member] | Government securities - other countries [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 4
Financial assets at fair value through other comprehensive income | 0 | 1
Level 1 [Member] | Government securities - other countries [member] | Germany [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 23 | 22
Level 1 [Member] | Government securities - other countries [member] | France [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 1 [Member] | Government securities - other countries [member] | Italy [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 329 |
Level 1 [Member] | Corporate debt securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 16,578 | 7,536
Financial assets at fair value through other comprehensive income | 2,005 | 1,194
Level 1 [Member] | Corporate debt securities [member] | Negotiable Shares [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 9,847 | 6,175
Financial assets at fair value through other comprehensive income | 149 | 161
Level 1 [Member] | Corporate debt securities [member] | Bank deposit certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 1
Financial assets at fair value through other comprehensive income | 0 |
Level 1 [Member] | Corporate debt securities [member] | Real estate receivables certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 1 [Member] | Corporate debt securities [member] | Debentures [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 4,667 | 168
Financial assets at fair value through other comprehensive income | 334 |
Level 1 [Member] | Corporate debt securities [member] | Eurobonds and others [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 2,064 | 1,192
Financial assets at fair value through other comprehensive income | 1,522 | 1,033
Level 1 [Member] | Investment funds [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 318 | 2,003
Level 2 [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 4,171 | 18,643
Financial assets designated at fair value through profit or loss | 0 |
Financial liabilities designated at fair value through profit or loss | 201 | 192
Level 2 [Member] | Structured notes [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial liabilities designated at fair value through profit or loss | 201 | 192
Level 2 [Member] | Real estate receivables certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 2 [Member] | Peru [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 2 [Member] | Italy [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss |  | 115
Level 2 [Member] | Financial Assets Designated As At Fair Value Through Profit And Loss [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 43,738 | 34,206
Level 2 [Member] | Brazilian government securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 3,444 | 3,242
Financial assets at fair value through other comprehensive income | 853 | 801
Level 2 [Member] | Brazilian external debt bonds [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets designated at fair value through profit or loss | 0 |
Level 2 [Member] | Government securities - other countries [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 562
Financial assets at fair value through other comprehensive income | 0 | 16,324
Level 2 [Member] | Government securities - other countries [member] | Argentina [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 2 [Member] | Government securities - other countries [member] | Chile [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 155
Financial assets at fair value through other comprehensive income | 0 | 7,653
Level 2 [Member] | Government securities - other countries [member] | Colombia [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 207
Financial assets at fair value through other comprehensive income | 0 | 5,505
Level 2 [Member] | Government securities - other countries [member] | United States [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 2 [Member] | Government securities - other countries [member] | Mexico [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 2 [Member] | Government securities - other countries [member] | Paraguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 1
Financial assets at fair value through other comprehensive income | 0 | 1,529
Level 2 [Member] | Government securities - other countries [member] | Uruguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 84
Financial assets at fair value through other comprehensive income | 0 | 553
Level 2 [Member] | Government securities - other countries [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 2 [Member] | Government securities - other countries [member] | Germany [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 2 [Member] | Government securities - other countries [member] | France [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 | 891
Level 2 [Member] | Government securities - other countries [member] | Italy [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 2 [Member] | Corporate debt securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 32,345 | 28,079
Financial assets at fair value through other comprehensive income | 3,318 | 1,518
Level 2 [Member] | Corporate debt securities [member] | Negotiable Shares [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 4,790 | 2,003
Financial assets at fair value through other comprehensive income | 0 |
Level 2 [Member] | Corporate debt securities [member] | Bank deposit certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 792 | 968
Financial assets at fair value through other comprehensive income | 2,371 | 1,053
Level 2 [Member] | Corporate debt securities [member] | Real estate receivables certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 2 [Member] | Corporate debt securities [member] | Debentures [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 7,763 | 4,707
Financial assets at fair value through other comprehensive income | 0 | 2
Level 2 [Member] | Corporate debt securities [member] | Eurobonds and others [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 102 | 173
Financial assets at fair value through other comprehensive income | 947 | 463
Level 2 [Member] | Corporate debt securities [member] | Financial credit bills [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 18,501 | 19,719
Level 2 [Member] | Corporate debt securities [member] | Promissory notes [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 313 | 435
Level 2 [Member] | Corporate debt securities [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 84 | 74
Level 2 [Member] | Investment funds [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 7,949 | 2,323
Level 3 [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss |  | 2,833
Financial assets at fair value through other comprehensive income | 34 |
Financial assets designated at fair value through profit or loss | 0 |
Financial liabilities designated at fair value through profit or loss | 0 |
Level 3 [Member] | Structured notes [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial liabilities designated at fair value through profit or loss | 0 |
Level 3 [Member] | Bank deposit certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 3 [Member] | Promissory notes [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 3 [Member] | Peru [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 3 [Member] | Financial Assets Designated As At Fair Value Through Profit And Loss [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 1,719 | 2,833
Level 3 [Member] | Brazilian government securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Brazilian external debt bonds [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets designated at fair value through profit or loss | 0 |
Level 3 [Member] | Government securities - other countries [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Argentina [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 3 [Member] | Government securities - other countries [member] | Chile [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Colombia [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | United States [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Mexico [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Level 3 [Member] | Government securities - other countries [member] | Paraguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Uruguay [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Germany [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | France [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Government securities - other countries [member] | Italy [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Corporate debt securities [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 1,719 | 2,833
Financial assets at fair value through other comprehensive income | 34 |
Level 3 [Member] | Corporate debt securities [member] | Negotiable Shares [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 0 | 1,268
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Corporate debt securities [member] | Bank deposit certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Corporate debt securities [member] | Real estate receivables certificates [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 1,444 | 1,411
Financial assets at fair value through other comprehensive income | 26 |
Level 3 [Member] | Corporate debt securities [member] | Debentures [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 225 | 85
Financial assets at fair value through other comprehensive income | 0 |
Level 3 [Member] | Corporate debt securities [member] | Eurobonds and others [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 7 | 31
Financial assets at fair value through other comprehensive income | 8 |
Level 3 [Member] | Corporate debt securities [member] | Financial credit bills [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 13 | 5
Level 3 [Member] | Corporate debt securities [member] | Other [Member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | 30 | R$ 33
Level 3 [Member] | Investment funds [member] |  |
Disclosure of financial assets measured at fair value [line items] |  |
Financial assets at fair value through profit or loss | R$ 0 |

X
- Definition The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 8 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_8_a&doctype=Standard -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of financial assets at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 8 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_8_h&doctype=Standard -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 8 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_8_a&doctype=Standard -URIDate 2019-03-27 + Details
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