XML 151 R129.htm IDEA: XBRL DOCUMENT
v3.25.4

Derivative financial instruments (Details 8) - BRL (R$) R$ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Futures contract [member] | Hedge Instruments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value | R$ (626,619) | R$ (5,610)
Market Value | 77,325,400 | 79,915,645
Accounting value | 76,698,781 | 79,910,035
Futures contract [member] | Hedge Objects [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value | (566,771) | (177,822)
Accounting value | 75,691,789 | 77,296,634
Market Value | 76,258,560 | 77,474,456
Hedge Of Securities [Member] | Hedge Instruments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value | (250,800) | (40,187)
Market Value | 7,115,000 | 35,717,857
Accounting value | 6,864,200 | 35,677,670
Hedge Of Securities [Member] | Hedge Objects [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value | (244,504) | 56,491
Accounting value | 5,803,656 | 27,613,484
Market Value | 6,048,160 | 27,556,993
Funding Hedge [Member] | Hedge Instruments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value | (375,819) | 107,854
Market Value | 70,210,400 | 42,558,322
Accounting value | 69,834,581 | 42,666,176
Funding Hedge [Member] | Hedge Objects [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value | (322,267) | (242,324)
Accounting value | 69,888,133 | 48,944,817
Market Value | R$ 70,210,400 | 49,187,141
Credit Operations Hedge [Member] | Hedge Instruments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value |  | (73,277)
Market Value |  | 1,639,466
Accounting value |  | 1,566,189
Credit Operations Hedge [Member] | Hedge Objects [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Curve value |  | 8,011
Accounting value |  | 738,333
Market Value |  | R$ 730,322

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- References No definition available. + Details
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Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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