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Financial assets at fair value through other comprehensive income - Securities (Details 2) - BRL (R$) R$ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
IfrsStatementLineItems [Line Items]
Gross carrying amount	R$ 8,571	R$ 1,629
Adjustments to fair value (in Stockholders' equity)	(3,686)	(886)
Fair Value	4,885	743
Negotiable shares [member]
IfrsStatementLineItems [Line Items]
Gross carrying amount	8,571	1,629
Adjustments to fair value (in Stockholders' equity)	(3,686)	(886)
Fair Value	R$ 4,885	R$ 743

X

- Definition

Adjustments for fair value losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2022-03-24
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- Definition

The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_11A_c&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_h&doctype=Standard
-URIDate 2022-03-24

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- Definition

Equity Instruments at cost through other comprehensive income.

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