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Financial assets at fair value through profit or loss and designated at fair value through profit or loss - Securities (Details 2) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |
At Fair Value Through Profit or Loss | R$ 464,682 | R$ 434,169
Financial assets at carrying value [Member] |  |
IfrsStatementLineItems [Line Items] |  |
At Fair Value Through Profit or Loss | 1,505 | 3,075
Current | 1,505 | 1,474
Non-current |  | 1,601
Financial assets at carrying value [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current | 1,505 | 1,474
Financial assets at carrying value [Member] | Later than one year and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-current |  | 1,601
Financial assets at fair value, class [member] |  |
IfrsStatementLineItems [Line Items] |  |
At Fair Value Through Profit or Loss | 1,560 | 3,044
Current | 1,560 | 1,458
Non-current |  | 1,586
Financial assets at fair value, class [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current | 1,560 | 1,458
Financial assets at fair value, class [member] | Later than one year and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-current |  | 1,586
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently, category [member] |  |
IfrsStatementLineItems [Line Items] |  |
Cost | 1,505 | 3,075
Accumulated gain / (loss) reflected in income | 55 | (31)
At Fair Value Through Profit or Loss | 1,560 | 3,044
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently, category [member] | Brazilian government securities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Cost | 1,505 |
Accumulated gain / (loss) reflected in income | 55 |
At Fair Value Through Profit or Loss | R$ 1,560 |
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently, category [member] | Brazilian external debt bonds [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Cost |  | 3,075
Accumulated gain / (loss) reflected in income |  | (31)
At Fair Value Through Profit or Loss |  | R$ 3,044

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- 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 2022-03-24 -Paragraph 8 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_a&doctype=Standard -URIDate 2022-03-24 + Details
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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 2022-03-24 -Paragraph 8 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The gains (losses) on financial assets 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 2022-03-24 -Paragraph 20 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_a_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of non-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 2022-03-24 -Paragraph 8 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_a&doctype=Standard -URIDate 2022-03-24 + Details
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