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Financial assets at amortized cost - Securities (Details 1) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Amortized cost | R$ 1,586,992 | R$ 1,375,782
Financial assets securities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 219,315 | 147,746
Fair Value | 217,277 | 145,798
Financial assets securities [Member] | Current [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 62,237 | 45,353
Fair Value | 61,640 | 45,169
Financial assets securities [Member] | Current [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 62,237 | 45,353
Fair Value | 61,640 | 45,169
Financial assets securities [Member] | Non current [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 157,078 | 102,393
Fair Value | 155,637 | 100,629
Financial assets securities [Member] | Non current [member] | Later than one year and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 108,445 | 70,924
Fair Value | 107,906 | 69,965
Financial assets securities [Member] | Non current [member] | Later than five years and not later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 41,528 | 26,404
Fair Value | 40,627 | 25,600
Financial assets securities [Member] | Non current [member] | Later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 7,105 | 5,065
Fair Value | R$ 7,104 | R$ 5,064

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- Definition The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 8 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_f&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The fair value of financial assets. [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 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
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- References No definition available. + Details
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