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Financial Instruments Risks - Summary of Credit Risk Exposure of Loans and Advances (Detail) $ in Thousands | Dec. 31, 2019 ARS ($)
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Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | $ 49,707,760
Total loan commitments and financial guarantees | 49,707,760
Maximum exposure to credit risk | 303,056,892
Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 12,394,826
Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 9,003,091
Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 1,723,903
Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 1,219,678
Retail [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 37,312,934
Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 3,966,981
Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 33,066,498
Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 247,141
Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 32,314
Wholesale PYMES [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 448,154
Financial assets at amortised cost, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 208,136,419
Total financial assets risk | 253,349,132
Financial assets at amortised cost, category [member] | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 89,424,896
Financial assets at amortised cost, category [member] | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 46,694,798
Financial assets at amortised cost, category [member] | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 40,226,136
Financial assets at amortised cost, category [member] | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 573,958
Financial assets at amortised cost, category [member] | Wholesale SME [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 1,930,004
Financial assets at amortised cost, category [member] | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 118,711,523
Financial assets at amortised cost, category [member] | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 465,760
Financial assets at amortised cost, category [member] | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 68,713,781
Financial assets at amortised cost, category [member] | Retail Personal Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 24,378,544
Financial assets at amortised cost, category [member] | Retail Bridge Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 9,612,796
Financial assets at amortised cost, category [member] | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 15,374,658
Financial assets at amortised cost, category [member] | Lease receivables [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 165,005
Financial assets at amortised cost, category [member] | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 979
Financial assets at fair value through other comprehensive income, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 45,212,713
Financial assets at fair value through other comprehensive income, category [member] | Debt securities [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 45,212,713
Stage 1 |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 44,812,582
Total loan commitments and financial guarantees | 44,812,582
Maximum exposure to credit risk | 254,218,114
Stage 1 | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 9,647,220
Stage 1 | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 7,780,502
Stage 1 | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 757,230
Stage 1 | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 784,922
Stage 1 | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 35,165,362
Stage 1 | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 3,833,915
Stage 1 | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 31,079,149
Stage 1 | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 230,335
Stage 1 | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 21,963
Stage 1 | Wholesale PYMES [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 324,566
Stage 1 | Financial assets at amortised cost, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 180,258,699
Total financial assets risk | 209,405,532
Stage 1 | Financial assets at amortised cost, category [member] | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 77,935,136
Stage 1 | Financial assets at amortised cost, category [member] | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 38,163,038
Stage 1 | Financial assets at amortised cost, category [member] | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 38,286,185
Stage 1 | Financial assets at amortised cost, category [member] | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 314,300
Stage 1 | Financial assets at amortised cost, category [member] | Wholesale SME [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 1,171,613
Stage 1 | Financial assets at amortised cost, category [member] | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 102,323,563
Stage 1 | Financial assets at amortised cost, category [member] | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 289,925
Stage 1 | Financial assets at amortised cost, category [member] | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 59,890,267
Stage 1 | Financial assets at amortised cost, category [member] | Retail Personal Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 18,035,567
Stage 1 | Financial assets at amortised cost, category [member] | Retail Bridge Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 9,274,034
Stage 1 | Financial assets at amortised cost, category [member] | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 14,672,320
Stage 1 | Financial assets at amortised cost, category [member] | Lease receivables [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 160,728
Stage 1 | Financial assets at amortised cost, category [member] | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 722
Stage 1 | Financial assets at fair value through other comprehensive income, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 29,146,833
Stage 1 | Financial assets at fair value through other comprehensive income, category [member] | Debt securities [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 29,146,833
Stage 2 |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 4,862,443
Total loan commitments and financial guarantees | 4,862,443
Maximum exposure to credit risk | 41,024,228
Stage 2 | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 2,743,101
Stage 2 | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 1,219,808
Stage 2 | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 966,450
Stage 2 | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 434,756
Stage 2 | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 2,119,342
Stage 2 | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 131,488
Stage 2 | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 1,960,697
Stage 2 | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 16,806
Stage 2 | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 10,351
Stage 2 | Wholesale PYMES [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 122,087
Stage 2 | Financial assets at amortised cost, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 20,095,905
Total financial assets risk | 36,161,785
Stage 2 | Financial assets at amortised cost, category [member] | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 6,931,687
Stage 2 | Financial assets at amortised cost, category [member] | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 4,645,863
Stage 2 | Financial assets at amortised cost, category [member] | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 1,340,985
Stage 2 | Financial assets at amortised cost, category [member] | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 259,307
Stage 2 | Financial assets at amortised cost, category [member] | Wholesale SME [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 685,532
Stage 2 | Financial assets at amortised cost, category [member] | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 13,164,218
Stage 2 | Financial assets at amortised cost, category [member] | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 109,759
Stage 2 | Financial assets at amortised cost, category [member] | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 7,202,845
Stage 2 | Financial assets at amortised cost, category [member] | Retail Personal Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 4,982,391
Stage 2 | Financial assets at amortised cost, category [member] | Retail Bridge Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 192,066
Stage 2 | Financial assets at amortised cost, category [member] | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 675,023
Stage 2 | Financial assets at amortised cost, category [member] | Lease receivables [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 2,063
Stage 2 | Financial assets at amortised cost, category [member] | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 71
Stage 2 | Financial assets at fair value through other comprehensive income, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 16,065,880
Stage 2 | Financial assets at fair value through other comprehensive income, category [member] | Debt securities [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 16,065,880
Stage 3 |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 32,735
Total loan commitments and financial guarantees | 32,735
Maximum exposure to credit risk | 7,814,550
Stage 3 | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 4,505
Stage 3 | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 2,781
Stage 3 | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 223
Stage 3 | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 0
Stage 3 | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 28,230
Stage 3 | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 1,578
Stage 3 | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 26,652
Stage 3 | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 0
Stage 3 | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 0
Stage 3 | Wholesale PYMES [Member] |
Disclosure of credit risk exposure [line items] |
Exposure to credit risk on loan commitments and financial guarantee contracts | 1,501
Stage 3 | Financial assets at amortised cost, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 7,781,815
Total financial assets risk | 7,781,815
Stage 3 | Financial assets at amortised cost, category [member] | Wholesale [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 4,558,073
Stage 3 | Financial assets at amortised cost, category [member] | Wholesale Business [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 3,885,897
Stage 3 | Financial assets at amortised cost, category [member] | Wholesale CIB [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 598,966
Stage 3 | Financial assets at amortised cost, category [member] | Wholesale International and Institutional [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 351
Stage 3 | Financial assets at amortised cost, category [member] | Wholesale SME [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 72,859
Stage 3 | Financial assets at amortised cost, category [member] | Retail [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 3,223,742
Stage 3 | Financial assets at amortised cost, category [member] | Retail Advances [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 66,076
Stage 3 | Financial assets at amortised cost, category [member] | Retail Credit Cards [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 1,620,669
Stage 3 | Financial assets at amortised cost, category [member] | Retail Personal Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 1,360,586
Stage 3 | Financial assets at amortised cost, category [member] | Retail Bridge Loans [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 146,696
Stage 3 | Financial assets at amortised cost, category [member] | Mortgages [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 27,315
Stage 3 | Financial assets at amortised cost, category [member] | Lease receivables [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 2,214
Stage 3 | Financial assets at amortised cost, category [member] | Other Financials Assets [Member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 186
Stage 3 | Financial assets at fair value through other comprehensive income, category [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | 0
Stage 3 | Financial assets at fair value through other comprehensive income, category [member] | Debt securities [member] |
Disclosure of credit risk exposure [line items] |
Financial assets | $ 0

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