XML 163 R111.htm IDEA: XBRL DOCUMENT
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Financial Assets at Fair Value Through Other Comprehensive Income-Securities - Summary of Reconciliation of Expected Loss for Financial Assets at Fair Value Through Other Comprehensive Instrument-Securities, Segregated by Stages (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Financial assets at fair value through other comprehensive income [line items] |  |  |
Gains / (Losses) | R$ 254 | R$ 128 | R$ 851
Level 1 [Member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (84) | (93) | (82)
Gains / (Losses) | (1) |  |
Purchases | (2) | (2) | (1)
Settlements | 2 |  |
Transfer to stage 2 |  | 0 | 0
Transfer to stage 3 |  | 11 |
Cure from stage 3 |  |  | (10)
Expected loss, ending balance | (85) | (84) | (93)
Level 1 [Member] | Brazilian government securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (36) | (36) | (36)
Transfer to stage 2 |  | 0 | 0
Expected loss, ending balance | (36) | (36) | (36)
Level 1 [Member] | Corporate securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (48) | (57) | (46)
Gains / (Losses) | (1) |  |
Purchases | (2) | (2) | (1)
Settlements | 2 |  |
Transfer to stage 2 |  | 0 | 0
Transfer to stage 3 |  | 11 |
Cure from stage 3 |  |  | (10)
Expected loss, ending balance | (49) | (48) | (57)
Level 1 [Member] | Other [member] | Brazilian government securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (36) | (36) | (36)
Transfer to stage 2 |  | 0 | 0
Expected loss, ending balance | (36) | (36) | (36)
Level 1 [Member] | Other [member] | Corporate securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (3) | (3) | (3)
Transfer to stage 2 |  | 0 | 0
Expected loss, ending balance | (3) | (3) | (3)
Level 1 [Member] | Debentures [member] | Corporate securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (43) | (43) | (43)
Transfer to stage 2 |  | 0 | 0
Expected loss, ending balance | (43) | (43) | (43)
Level 1 [Member] | Eurobonds and others [member] | Corporate securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance | (2) | (11) |
Gains / (Losses) | (1) |  |
Purchases | (2) | (2) |
Settlements | 2 |  |
Transfer to stage 2 |  | 0 |
Transfer to stage 3 |  | 11 |
Expected loss, ending balance | R$ (3) | (2) | (11)
Level 3 [Member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance |  |  | (13)
Settlements |  | 10 |
Cure from stage 1 |  | (10) |
Transfer to stage 1 |  |  | 13
Transfer to stage 2 |  | 0 | 0
Level 3 [Member] | Corporate securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance |  |  | (13)
Settlements |  | 10 |
Cure from stage 1 |  | (10) |
Transfer to stage 1 |  |  | 13
Transfer to stage 2 |  | 0 | 0
Level 3 [Member] | Eurobonds and others [member] | Corporate securities [member] |  |  |
Financial assets at fair value through other comprehensive income [line items] |  |  |
Expected loss, beginning balance |  |  | (13)
Settlements |  | 10 |
Cure from stage 1 |  | (10) |
Transfer to stage 1 |  |  | 13
Transfer to stage 2 |  | R$ 0 | R$ 0

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- Definition The gains (losses) recognised in other comprehensive income on financial assets measured at fair value through other comprehensive income, net of tax. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_91_a&doctype=Standard -URIDate 2017-03-09 + Details
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