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Investment Portfolio - Government and Corporate Securities (Debt Securities at Fair Value Through Profit or Loss) (Details) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
TOTAL DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | $ 91,797,177 | $ 492,324,281
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 91,730,958 | 836,681
Subtotal Private Securities - In Pesos | 0 | 1,086,002
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Treasury Bills | Treasury Bills adjusted by Cer. Maturity 01-18-2024 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 0 | 446,799
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Treasury Bonds | Treasury Bonds in pesos adjusted by Cer. Maturity 03-31-2026 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | $ 11,758,191 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Treasury Bonds | Treasury Bonds in pesos adjusted by Cer 0%. Maturity 10-31-2025 | Level 2 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, interest rate | 0.00% |
Subtotal Government Securities - In foreign currency | $ 7,414,965 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Treasury Bonds | Treasury Bonds in pesos Capitalizable Maturity 02-13-2026 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | $ 6,671,200 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Treasury Bonds | Argentine Treasury Bond and Treasury Bonds Maturity 02-14-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, interest rate | 4.25% |
Subtotal Government Securities - In foreign currency | $ 79,516 | 389,882
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Treasury Bonds | Treasury Bonds in pesos adjusted by Cer 0%. Maturity 12-15-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, interest rate | 0.00% |
Subtotal Government Securities - In foreign currency | $ 1,022,133 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 05-16-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 45,622,467 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 02-28-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 3,932,947 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 04-28-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 3,215,532 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 08-15-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 2,191,160 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 01-17-2025 | Level 2 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 2,046,341 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in pesos. Maturity 05-30-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 2,021,394 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 01-31-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 1,920,252 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bond and Treasury Bonds Maturity 02-14-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 1,810,779 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 04-16-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 1,196,536 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 03-14-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 449,531 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 06-30-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 142,001 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 03-31-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 27,475 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Argentine Treasury Bond | Argentine Treasury Bills Capitalizable in Pesos. Maturity 08-29-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | $ 208,538 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Corporate Bond BADLAR | Corporate Bond BADLAR And Toyota Maturity 10-17-2024 | Level 3 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, adjustment to interest rate basis | 3.00% |
Subtotal Private Securities - In Pesos | $ 0 | 574,423
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Corporate Bond Monetary | Corporate Bond BADLAR And Toyota Maturity 10-17-2024 | Level 3 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Private Securities - In Pesos | 0 | 511,189
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In pesos | Corporate Bond Toyota | Corporate Bond Toyota Cia Financiera Series 32 in Pesos. Maturity 02-09-2025 | Level 3 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Private Securities - In Pesos | 0 | 390
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In foreign currency |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 66,219 | 486,805,046
Subtotal Private Securities - In foreign currency | 0 | 3,596,552
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In foreign currency | Argentine Bond in dual currency. Maturity 06-30-2024 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 0 | 470,852,827
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In foreign currency | Argentine Bond in dual currency. Maturity 02-28-2024 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 0 | 15,830,775
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In foreign currency | GD30 Bond | AL30 And GD30 Bond Maturity 07-09-2030 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 0 | 61,916
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In foreign currency | AL30 Bond | AL30 And GD30 Bond Maturity 07-09-2030 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 66,219 | 59,528
DEBT SECURITIES AT FAIR VALUE THROUGH PROFIT OR LOSS | Government Securities - In foreign currency | Corporate Bond Central | Corporate Bond Central Puerto Series A in USD. Maturity 03-14-2026 | Level 2 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Private Securities - In foreign currency | 0 | 3,596,552
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 0 | 64,721
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | 2,262,027,285 | 1,136,383,409
Subtotal BCRA Liquidity Bills - In pesos | 0 | 131,713,790
Subtotal Private Securities - In Pesos | 2,787,594 | 10,214,765
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Treasury Bonds | Treasury Bonds in pesos adjusted by Cer. Maturity 03-31-2026 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal Government Securities - In foreign currency | $ 394,906,029 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Treasury Bonds | Argentine Treasury Bond and Treasury Bonds Maturity 02-14-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, interest rate | 4.25% |
Subtotal Government Securities - In foreign currency | $ 18,681,070 | 122,109,199
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Treasury Bonds | Treasury Bonds in pesos adjusted by Cer 0%. Maturity 12-15-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, interest rate | 0.00% |
Subtotal Government Securities - In foreign currency | $ 245,559,764 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Treasury Bonds | Argentine Treasury Bills Capitalizable in Pesos. Maturity 06-30-2025 | Level 1 Fair value |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Borrowings, interest rate | 0.00% |
Subtotal Government Securities - In foreign currency | $ 6,015,000 | 0
DEBT SECURITIES AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In foreign currency |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Subtotal BCRA Liquidity Bills - In pesos | 0 | 151,937,663
Subtotal Private Securities - In Pesos | $ 34,767,140 | $ 9,295,013

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