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Interest and similar income and expense and net gain (loss) on investment securities and derivatives - Additional Information (Detail) R$ in Millions | 12 Months Ended
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Dec. 31, 2018 BRL (R$)
Disclosure of financial assets and liabilities measured at fair value [Line Items] |
Financial assets, expense recognized on expected losses | R$ 1,535
Financial assets at fair value through other comprehensive income [Member] |
Disclosure of financial assets and liabilities measured at fair value [Line Items] |
Total loss, net of reversals | (1)
Financial assets at amortised cost, class [Member] |
Disclosure of financial assets and liabilities measured at fair value [Line Items] |
Total loss, net of reversals | R$ 1,536

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- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_20_e&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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- Definition Line items represent financial assets and liabilities measured at fair value. + References No definition available. + Details
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- Definition Gain loss on reversal of derivatives. + References No definition available. + Details
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- Details
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- Details
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