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Financial assets at amortized cost - Securities (Details 1) - BRL (R$) R$ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Amortized cost | R$ 1,912,804 | R$ 1,686,225
Financial Assets Securities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 327,507 | 260,743
Net amortized cost | 323,852 | 259,889
Financial Assets Securities [Member] | Current [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 90,213 | 82,120
Net amortized cost | 88,582 | 81,745
Financial Assets Securities [Member] | Current [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 90,213 | 82,120
Net amortized cost | 88,582 | 81,745
Financial Assets Securities [Member] | Non Current [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 237,294 | 178,623
Net amortized cost | 235,270 | 178,144
Financial Assets Securities [Member] | Non Current [Member] | Later than one year and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 165,759 | 132,365
Net amortized cost | 164,332 | 131,918
Financial Assets Securities [Member] | Non Current [Member] | Later than five years and not later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 60,289 | 42,062
Net amortized cost | 59,694 | 42,031
Financial Assets Securities [Member] | Non Current [Member] | Later than ten years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Amortized cost | 11,246 | 4,196
Net amortized cost | R$ 11,244 | R$ 4,195

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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 2024-01-01 -Paragraph 8 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_8_f&doctype=Standard -URIDate 2024-03-27 + Details
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- References No definition available. + Details
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