XML 135 R120.htm IDEA: XBRL DOCUMENT v3.21.1
Loss Allowance for Expected Credit Losses On Credit Exposures Not Measured at Fair Value Through Profit or Loss - Summary of Credit Quality and the Maximum Exposure to Credit Risk based on the Bank's Internal Credit Rating System and Year-end Stage Classification (Detail) - Consumer [member] - ARS ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of internal credit grades [line items]    
Gross carrying amount, beginning balance $ 173,435,436 $ 238,176,987
Gross carrying amount, ending balance 193,056,864 173,435,436
Expected credit loss allowance, beginning balance 4,705,591 6,526,001
Expected credit loss allowance related to sundry debtors, ending balance 7,865,330 4,705,591
Assets originated or purchased [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount 129,623,528 113,634,745
Expected credit loss allowance 6,166,843 3,354,324
Assets derecognized or repaid [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (56,462,468) (92,671,553)
Expected credit loss allowance (540,367) (1,991,548)
Amounts Written Off [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (1,698,360) (3,458,613)
Expected credit loss allowance (760,077) (1,260,472)
Monetary effects [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (51,841,272) (82,246,130)
Expected credit loss allowance (1,706,660) (1,922,714)
Stage 1 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount, beginning balance 152,543,931 190,999,547
Gross carrying amount, ending balance 180,456,655 152,543,931
Expected credit loss allowance, beginning balance 1,561,990 1,621,844
Expected credit loss allowance related to sundry debtors, ending balance 4,631,018 1,561,990
Stage 1 [member] | Assets originated or purchased [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount 122,636,191 103,467,653
Expected credit loss allowance 4,381,186 2,472,513
Stage 1 [member] | Assets derecognized or repaid [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (48,194,960) (71,378,819)
Expected credit loss allowance 362,221 19,972
Stage 1 [member] | Transfers to Stage 1 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount 8,634,947 14,992,526
Expected credit loss allowance 766,661 733,257
Stage 1 [member] | Transfers to Stage 2 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (4,575,337) (8,171,761)
Expected credit loss allowance (75,871) (115,770)
Stage 1 [member] | Transfers to Stage 3 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (1,104,828) (4,033,895)
Expected credit loss allowance (708,400) (1,912,100)
Stage 1 [member] | Amounts Written Off [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (35,643) (323,899)
Expected credit loss allowance (1,676) (9,225)
Stage 1 [member] | Monetary effects [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (49,447,646) (73,007,421)
Expected credit loss allowance (1,655,093) (1,248,501)
Stage 2 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount, beginning balance 17,511,125 42,324,135
Gross carrying amount, ending balance 11,133,013 17,511,125
Expected credit loss allowance, beginning balance 1,480,048 2,602,099
Expected credit loss allowance related to sundry debtors, ending balance 2,358,826 1,480,048
Stage 2 [member] | Assets originated or purchased [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount 6,987,337 10,167,092
Expected credit loss allowance 1,785,657 881,811
Stage 2 [member] | Assets derecognized or repaid [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (7,286,602) (19,642,849)
Expected credit loss allowance (364,035) (1,093,709)
Stage 2 [member] | Transfers to Stage 1 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (8,338,341) (14,771,361)
Expected credit loss allowance (621,987) (636,265)
Stage 2 [member] | Transfers to Stage 2 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount 4,830,837 8,759,526
Expected credit loss allowance 188,316 330,095
Stage 2 [member] | Transfers to Stage 3 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (309,271) (951,529)
Expected credit loss allowance (48,396) (100,707)
Stage 2 [member] | Amounts Written Off [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (284,523) (936,075)
Expected credit loss allowance (56,306) (144,692)
Stage 2 [member] | Monetary effects [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (1,977,549) (7,437,814)
Expected credit loss allowance (4,471) (358,584)
Stage 3 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount, beginning balance 3,380,380 4,853,305
Gross carrying amount, ending balance 1,467,196 3,380,380
Expected credit loss allowance, beginning balance 1,663,553 2,302,058
Expected credit loss allowance related to sundry debtors, ending balance 875,486 1,663,553
Stage 3 [member] | Assets derecognized or repaid [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (980,906) (1,649,885)
Expected credit loss allowance (538,553) (917,811)
Stage 3 [member] | Transfers to Stage 1 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (296,606) (221,165)
Expected credit loss allowance (144,674) (96,992)
Stage 3 [member] | Transfers to Stage 2 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (255,500) (587,765)
Expected credit loss allowance (112,445) (214,325)
Stage 3 [member] | Transfers to Stage 3 [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount 1,414,099 4,985,424
Expected credit loss allowance 756,796 2,012,807
Stage 3 [member] | Amounts Written Off [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (1,378,194) (2,198,639)
Expected credit loss allowance (702,095) (1,106,555)
Stage 3 [member] | Monetary effects [member]    
Disclosure of internal credit grades [line items]    
Gross carrying amount (416,077) (1,800,895)
Expected credit loss allowance $ (47,096) $ (315,629)