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Determination of fair value (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
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Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | R$ 198,834,060 | R$ 149,985,414
Investments in associates measured at fair value | 1,521,675 | 1,546,278
Total Financial Assets at FVTPL including investments in associates | 241,276,316 | 197,731,488
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 42,223,349 | 50,879,981
Financial assets at fair value through other comprehensive income | 42,223,349 | 50,879,981
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 7,406,932 | 2,836,146
Financial Assets At Amortized Cost Securities Purchased Under Agreements To Resell | 17,063,099 | 22,057,137
Financial Assets At Amortized Cost Securities Trading And Intermediation | 6,299,483 | 6,499,097
Financial Assets At Amortized Cost Accounts Receivable | 1,366,424 | 778,943
Financial Assets At Amortized Cost Loan Operations | 34,142,085 | 29,228,463
Financial Assets At Amortized Cost Other Financial Assets | 16,912,992 | 13,232,997
Evaluated at amortized cost | 83,191,015 | 74,632,783
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 21,043,459 | 15,253,376
Derivative financial liabilities | 37,546,940 | 40,047,687
Fair value through profit or loss | 58,590,399 | 55,301,063
Financial Liabilities Evaluated at Amortized Cost [Abstract] |  |
Financial Liabilities At Amortized Cost Securities Sold Under Repurchase Agreements | 58,713,869 | 71,779,721
Financial Liabilities At Amortized Cost Securities Trading And Intermediation | 22,420,806 | 18,474,978
Financial Liabilities At Amortized Cost, Financial Instruments Payable | 123,403,515 | 95,248,482
Financial Liabilities At Amortized Cost Borrowings | 237,894 | 1,666,432
Financial Liabilities At Amortized Cost Accounts Payables | 810,157 | 763,465
Financial Liabilities At Amortized Cost Other Financial Liabilities | 12,320,730 | 14,730,863
Evaluated at amortized cost | 217,906,971 | 202,663,941
Securities Loaned [Domain] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 20,388,644 | 14,830,405
Corporate debt – local [Member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 654,815 | 422,971
Swap contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 14,937,416 | 14,000,255
Forward contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 1,681,224 | 2,083,292
Futures contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 3,664,058 | 1,929,536
Option contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 17,264,242 | 22,034,604
Brazilian sovereign bonds [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 56,313,856 | 46,736,162
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 39,043,715 | 46,981,007
Foreign sovereign bonds |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 1,818,020 |
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 3,179,634 | 3,898,974
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 282,693 |
Real estate–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 4,276,576 | 4,753,274
Agribusiness–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 4,830,980 | 1,394,074
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 474,121 | 211,555
Corporate debt – local [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 17,178,981 | 13,012,139
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 4,428,597 |
Corporate debt – foreign [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 7,987,265 | 8,219,727
Bank funding instruments (CDB) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 463,133 | 661,664
Bank funding instruments (Others) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 1,515,827 | 583,840
Structured notes [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 50,076 | 20,546
Investment funds [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 96,353,891 | 65,840,498
Equity securities [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 7,613,050 | 2,495,570
Others |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 432,405 | 6,267,920
Swap contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 20,361,017 | 21,743,021
Forward contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 1,071,790 | 2,692,354
Futures contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 5,966,802 | 3,003,675
Option contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 13,520,972 | 18,760,746
Brazilian sovereign bonds (onshore) [Member] |  |
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 2,221,521 |
At fair value [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 198,834,060 | 149,985,414
Investments in associates measured at fair value | 1,521,675 | 1,546,278
Total Financial Assets at FVTPL including investments in associates | 241,276,316 | 197,731,488
Financial assets at fair value through other comprehensive income [abstract] |  |
Financial assets at fair value through other comprehensive income | 42,223,349 | 50,879,981
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities |  | 2,874,382
Financial Assets At Amortized Cost Securities Purchased Under Agreements To Resell | 17,117,478 | 22,010,879
Financial Assets At Amortized Cost Securities Trading And Intermediation | 6,299,483 | 6,499,097
Financial Assets At Amortized Cost Accounts Receivable | 1,366,424 | 778,943
Financial Assets At Amortized Cost Loan Operations | 34,549,310 | 29,145,291
Financial Assets At Amortized Cost Other Financial Assets | 16,912,992 | 13,232,997
Evaluated at amortized cost | 84,831,017 | 74,541,589
Financial liabilities at fair value through profit or loss [abstract] |  |
Fair value through profit or loss | 58,590,399 | 55,301,063
Financial Liabilities Evaluated at Amortized Cost [Abstract] |  |
Financial Liabilities At Amortized Cost Securities Sold Under Repurchase Agreements | 57,469,033 | 71,693,244
Financial Liabilities At Amortized Cost Securities Trading And Intermediation | 22,420,806 | 18,474,978
Financial Liabilities At Amortized Cost, Financial Instruments Payable | 123,212,421 | 94,662,035
Financial Liabilities At Amortized Cost Borrowings | 239,368 | 1,666,432
Financial Liabilities At Amortized Cost Accounts Payables | 810,157 | 763,465
Financial Liabilities At Amortized Cost Other Financial Liabilities | 12,320,730 | 14,730,863
Evaluated at amortized cost | 216,472,515 | 201,991,017
At fair value [member] | Securities Loaned [Domain] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 20,388,644 | 14,830,405
At fair value [member] | Corporate debt – local [Member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 654,815 | 422,971
At fair value [member] | Swap contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 14,937,416 | 14,000,255
At fair value [member] | Forward contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 1,681,224 | 2,083,292
At fair value [member] | Futures contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 3,664,058 | 1,929,536
At fair value [member] | Option contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 17,264,242 | 22,034,604
At fair value [member] | Brazilian sovereign bonds [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 56,313,856 | 46,736,162
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 39,043,715 | 46,981,007
At fair value [member] | Foreign sovereign bonds |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 1,818,020 | 0
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 3,179,634 | 3,898,974
Financial assets at fair value through other comprehensive income | 3,179,634 | 3,898,974
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 282,696 |
At fair value [member] | Real estate–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 4,276,576 | 4,753,274
At fair value [member] | Agribusiness–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 4,830,980 | 1,394,074
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 486,205 | 212,103
At fair value [member] | Corporate debt – local [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 17,178,981 | 13,012,139
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 5,594,901 | 0
At fair value [member] | Corporate debt – foreign [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 7,987,265 | 8,219,727
At fair value [member] | Bank funding instruments (CDB) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 463,133 | 661,664
At fair value [member] | Bank funding instruments (Others) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 1,515,827 | 583,840
At fair value [member] | Structured notes [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 50,076 | 20,546
At fair value [member] | Investment funds [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 96,353,891 | 65,840,498
At fair value [member] | Equity securities [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 7,613,050 | 2,495,570
At fair value [member] | Others |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 432,405 | 6,267,920
At fair value [member] | Swap contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 20,361,017 | 21,743,021
At fair value [member] | Forward contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 1,071,790 | 2,692,354
At fair value [member] | Futures contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 5,966,802 | 3,003,675
At fair value [member] | Option contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 13,520,972 | 18,760,746
At fair value [member] | Brazilian sovereign bonds (onshore) [Member] |  |
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 2,221,528 |
Level 1 of fair value hierarchy [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Investments in associates measured at fair value |  | 0
Total Financial Assets at FVTPL including investments in associates | 175,331,449 | 126,371,744
Financial assets at fair value through other comprehensive income [abstract] |  |
Financial assets at fair value through other comprehensive income | 42,223,349 | 50,879,981
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities |  | 0
Financial Assets At Amortized Cost Securities Purchased Under Agreements To Resell | 0 | 0
Financial Assets At Amortized Cost Securities Trading And Intermediation | 0 | 0
Financial Assets At Amortized Cost Accounts Receivable | 0 | 0
Financial Assets At Amortized Cost Loan Operations | 0 | 0
Financial Assets At Amortized Cost Other Financial Assets | 0 | 0
Evaluated at amortized cost | 2,504,224 | 0
Financial liabilities at fair value through profit or loss [abstract] |  |
Fair value through profit or loss | 24,052,702 | 16,759,941
Financial Liabilities Evaluated at Amortized Cost [Abstract] |  |
Financial Liabilities At Amortized Cost Securities Sold Under Repurchase Agreements | 0 | 0
Financial Liabilities At Amortized Cost Securities Trading And Intermediation | 0 | 0
Financial Liabilities At Amortized Cost, Financial Instruments Payable | 0 | 0
Financial Liabilities At Amortized Cost Borrowings | 0 | 0
Financial Liabilities At Amortized Cost Accounts Payables | 0 | 0
Financial Liabilities At Amortized Cost Other Financial Liabilities | 0 | 0
Evaluated at amortized cost | 0 | 0
Level 1 of fair value hierarchy [member] | Securities Loaned [Domain] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 20,388,644 | 14,830,405
Level 1 of fair value hierarchy [member] | Corporate debt – local [Member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 0 | 0
Level 1 of fair value hierarchy [member] | Swap contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 1 of fair value hierarchy [member] | Forward contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 1 of fair value hierarchy [member] | Futures contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 3,664,058 | 1,929,536
Level 1 of fair value hierarchy [member] | Option contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 1 of fair value hierarchy [member] | Brazilian sovereign bonds [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 56,313,856 | 46,736,162
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 39,043,715 | 46,981,007
Level 1 of fair value hierarchy [member] | Foreign sovereign bonds |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 1,818,020 |
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 3,179,634 | 3,898,974
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 282,696 |
Level 1 of fair value hierarchy [member] | Real estate–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 1 of fair value hierarchy [member] | Agribusiness–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 | 0
Level 1 of fair value hierarchy [member] | Corporate debt – local [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 | 0
Level 1 of fair value hierarchy [member] | Corporate debt – foreign [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 7,987,265 | 8,219,727
Level 1 of fair value hierarchy [member] | Bank funding instruments (CDB) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 1 of fair value hierarchy [member] | Bank funding instruments (Others) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 1 of fair value hierarchy [member] | Structured notes [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 1 of fair value hierarchy [member] | Investment funds [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 96,076,760 | 65,840,498
Level 1 of fair value hierarchy [member] | Equity securities [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 7,168,746 | 2,123,810
Level 1 of fair value hierarchy [member] | Others |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 447,872
Level 1 of fair value hierarchy [member] | Swap contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | 0
Level 1 of fair value hierarchy [member] | Forward contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | 0
Level 1 of fair value hierarchy [member] | Futures contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 5,966,802 | 3,003,675
Level 1 of fair value hierarchy [member] | Option contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | 0
Level 1 of fair value hierarchy [member] | Brazilian sovereign bonds (onshore) [Member] |  |
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 2,221,528 |
Level 2 of fair value hierarchy [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Investments in associates measured at fair value |  | 0
Total Financial Assets at FVTPL including investments in associates | 63,701,757 | 69,441,706
Financial assets at fair value through other comprehensive income [abstract] |  |
Financial assets at fair value through other comprehensive income | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities |  | 2,874,382
Financial Assets At Amortized Cost Securities Purchased Under Agreements To Resell | 17,117,478 | 22,010,879
Financial Assets At Amortized Cost Securities Trading And Intermediation | 6,299,483 | 6,499,097
Financial Assets At Amortized Cost Accounts Receivable | 1,366,424 | 778,943
Financial Assets At Amortized Cost Loan Operations | 34,549,310 | 29,145,291
Financial Assets At Amortized Cost Other Financial Assets | 16,912,992 | 13,232,997
Evaluated at amortized cost | 82,326,793 | 74,541,589
Financial liabilities at fair value through profit or loss [abstract] |  |
Fair value through profit or loss | 34,537,697 | 38,541,122
Financial Liabilities Evaluated at Amortized Cost [Abstract] |  |
Financial Liabilities At Amortized Cost Securities Sold Under Repurchase Agreements | 57,469,033 | 71,693,244
Financial Liabilities At Amortized Cost Securities Trading And Intermediation | 22,420,806 | 18,474,978
Financial Liabilities At Amortized Cost, Financial Instruments Payable | 123,212,421 | 94,662,035
Financial Liabilities At Amortized Cost Borrowings | 239,368 | 1,666,432
Financial Liabilities At Amortized Cost Accounts Payables | 810,157 | 763,465
Financial Liabilities At Amortized Cost Other Financial Liabilities | 12,213,571 | 14,614,086
Evaluated at amortized cost | 216,365,356 | 201,874,240
Level 2 of fair value hierarchy [member] | Securities Loaned [Domain] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 0 | 0
Level 2 of fair value hierarchy [member] | Corporate debt – local [Member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 654,815 | 422,971
Level 2 of fair value hierarchy [member] | Swap contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 14,937,416 | 14,000,255
Level 2 of fair value hierarchy [member] | Forward contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 1,681,224 | 2,083,292
Level 2 of fair value hierarchy [member] | Futures contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 2 of fair value hierarchy [member] | Option contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 17,264,242 | 22,034,604
Level 2 of fair value hierarchy [member] | Brazilian sovereign bonds [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 0 | 0
Level 2 of fair value hierarchy [member] | Foreign sovereign bonds |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 |
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 |
Level 2 of fair value hierarchy [member] | Real estate–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 4,276,576 | 4,753,274
Level 2 of fair value hierarchy [member] | Agribusiness–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 4,830,980 | 1,394,074
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 486,205 | 212,103
Level 2 of fair value hierarchy [member] | Corporate debt – local [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 17,178,981 | 13,012,139
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 5,594,901 | 0
Level 2 of fair value hierarchy [member] | Corporate debt – foreign [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 2 of fair value hierarchy [member] | Bank funding instruments (CDB) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 463,133 | 661,664
Level 2 of fair value hierarchy [member] | Bank funding instruments (Others) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 1,515,827 | 583,840
Level 2 of fair value hierarchy [member] | Structured notes [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 50,076 | 20,546
Level 2 of fair value hierarchy [member] | Investment funds [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 2 of fair value hierarchy [member] | Equity securities [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 2 of fair value hierarchy [member] | Others |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 432,405 | 5,820,048
Level 2 of fair value hierarchy [member] | Swap contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 20,361,017 | 21,743,021
Level 2 of fair value hierarchy [member] | Forward contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 1,071,790 | 2,692,354
Level 2 of fair value hierarchy [member] | Futures contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 |
Level 2 of fair value hierarchy [member] | Option contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 13,520,972 | 18,760,746
Level 2 of fair value hierarchy [member] | Brazilian sovereign bonds (onshore) [Member] |  |
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 |
Level 3 of fair value hierarchy [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Investments in associates measured at fair value | 1,521,675 | 1,546,278
Total Financial Assets at FVTPL including investments in associates | 2,243,110 | 1,918,038
Financial assets at fair value through other comprehensive income [abstract] |  |
Financial assets at fair value through other comprehensive income | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities |  | 0
Financial Assets At Amortized Cost Securities Purchased Under Agreements To Resell | 0 | 0
Financial Assets At Amortized Cost Securities Trading And Intermediation | 0 | 0
Financial Assets At Amortized Cost Accounts Receivable | 0 | 0
Financial Assets At Amortized Cost Loan Operations | 0 | 0
Financial Assets At Amortized Cost Other Financial Assets | 0 | 0
Evaluated at amortized cost | 0 | 0
Financial liabilities at fair value through profit or loss [abstract] |  |
Fair value through profit or loss | 0 | 0
Financial Liabilities Evaluated at Amortized Cost [Abstract] |  |
Financial Liabilities At Amortized Cost Securities Sold Under Repurchase Agreements | 0 | 0
Financial Liabilities At Amortized Cost Securities Trading And Intermediation | 0 | 0
Financial Liabilities At Amortized Cost, Financial Instruments Payable | 0 | 0
Financial Liabilities At Amortized Cost Borrowings | 0 | 0
Financial Liabilities At Amortized Cost Accounts Payables | 0 | 0
Financial Liabilities At Amortized Cost Other Financial Liabilities | 107,159 | 116,777
Evaluated at amortized cost | 107,159 | 116,777
Level 3 of fair value hierarchy [member] | Securities Loaned [Domain] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 0 | 0
Level 3 of fair value hierarchy [member] | Corporate debt – local [Member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Financial Liabilities At Fair Value Through Profit Or Loss Securities Loaned | 0 | 0
Level 3 of fair value hierarchy [member] | Swap contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 3 of fair value hierarchy [member] | Forward contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 3 of fair value hierarchy [member] | Futures contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 3 of fair value hierarchy [member] | Option contract [member] |  |
Financial liabilities at fair value through profit or loss [abstract] |  |
Derivative financial liabilities | 0 | 0
Level 3 of fair value hierarchy [member] | Brazilian sovereign bonds [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 0 | 0
Level 3 of fair value hierarchy [member] | Foreign sovereign bonds |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 |
Financial assets at fair value through other comprehensive income [abstract] |  |
Investments in equity instruments designated at fair value through other comprehensive income | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 |
Level 3 of fair value hierarchy [member] | Real estate–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 3 of fair value hierarchy [member] | Agribusiness–backed instruments [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 | 0
Level 3 of fair value hierarchy [member] | Corporate debt – local [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | 0 | 0
Level 3 of fair value hierarchy [member] | Corporate debt – foreign [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 3 of fair value hierarchy [member] | Bank funding instruments (CDB) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 3 of fair value hierarchy [member] | Bank funding instruments (Others) [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 3 of fair value hierarchy [member] | Structured notes [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 3 of fair value hierarchy [member] | Investment funds [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 277,131 | 0
Level 3 of fair value hierarchy [member] | Equity securities [Member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 444,304 | 371,760
Level 3 of fair value hierarchy [member] | Others |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial assets at fair value through profit or loss, classified as held for trading | 0 | 0
Level 3 of fair value hierarchy [member] | Swap contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | 0
Level 3 of fair value hierarchy [member] | Forward contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | 0
Level 3 of fair value hierarchy [member] | Futures contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | 0
Level 3 of fair value hierarchy [member] | Option contract [member] |  |
Financial assets at fair value through profit or loss [abstract] |  |
Financial Assets at Fair Value Through Profit or Loss, Derivative Financial Instruments | 0 | R$ 0
Level 3 of fair value hierarchy [member] | Brazilian sovereign bonds (onshore) [Member] |  |
Financial Assets Evaluated at Amortized Cost [Abstract] |  |
Financial Assets At Amortized Cost Securities | R$ 0 |

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- Definition The amount of financial assets at fair value through profit or loss classified as held for trading. A financial asset is classified as held for trading if: (a) it is acquired principally for the purpose of selling it in the near term; (b) on initial recognition it is part of a portfolio of identified financial instruments that are managed together and for which there is evidence of a recent actual pattern of short-term profit-taking; or (c) it is a derivative (except for a derivative that is a financial guarantee contract or a designated and effective hedging instrument). [Refer: At fair value [member]; Financial assets at fair value through profit or loss, mandatorily measured at fair value] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard -URIDate 2025-03-27 + Details
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