v3.26.1
RISK MANAGEMENT - Changes in gross carrying amount (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2025
COP ($)
$ / $
Dec. 31, 2024
COP ($)
$ / $
Dec. 31, 2023
COP ($)
$ / $
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period $ 304,853,883    
Financial assets at end of period $ 305,457,293 $ 304,853,883  
TRM variation | $ / $ (652.07) 587.1 (988.15)
Other accounts receivable at amortized cost [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period $ 24,138,538    
Financial assets at end of period 22,216,161 $ 24,138,538  
Financial assets at amortised cost, category [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 251,981,889    
Financial assets at end of period 243,432,271 251,981,889  
Financial assets at amortised cost, category [member] | Loan portfolio [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 190,129,486    
Financial assets at end of period 184,225,973 190,129,486  
Financial assets at amortised cost, category [member] | Loan portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 200,136,125 186,203,770 $ 188,313,361
New financial assets originated or purchased 149,793,215 123,076,799 122,753,246
Financial assets that have been paid (131,857,537) (108,994,734) (114,598,525)
Net remeasurement of amortized cost and other receivables (444,711) (105,884) 622,375
Reclassification MFG operation (14,815,727)    
Write-offs (5,673,011) (5,486,764) (4,176,499)
Sale of loan portfolio - loss allowance (302,306) (134,655) (361,380)
Sale of loan portfolio - cash (125,012) (282,627) (113,460)
Gain or loss on sale portfolio 12,139 86 3,331
Discontinued operations 1,110,214 1,114,776 1,168,073
FX and other movements (5,177,446) 4,745,358 (7,406,752)
Financial assets at end of period 192,655,943 200,136,125 186,203,770
Financial assets at amortised cost, category [member] | Loans to corporate entities [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 110,756,010    
Financial assets at end of period 105,824,421 110,756,010  
Financial assets at amortised cost, category [member] | Loans to corporate entities [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 116,119,698    
Financial assets at end of period 110,086,500 116,119,698  
Financial assets at amortised cost, category [member] | Commercial lending portfolio [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 110,051,750    
Financial assets at end of period 104,047,053 110,051,750  
Financial assets at amortised cost, category [member] | Commercial lending portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 115,414,643 107,047,817 104,775,099
New financial assets originated or purchased 97,671,464 81,563,112 77,509,568
Financial assets that have been paid (91,226,971) (75,879,262) (71,469,411)
Net remeasurement of amortized cost and other receivables (302,820) (1,298,146) 1,431,410
Reclassification MFG operation (7,730,539)    
Write-offs (1,981,619) (1,219,830) (667,993)
Sale of loan portfolio - loss allowance (186,846) (94,960) (194,305)
Sale of loan portfolio - cash (114,774) (22,804) (78,613)
Gain or loss on sale portfolio 24,901 5,633 (7,415)
Discontinued operations 575,665 1,630,298 1,655,022
FX and other movements (3,834,120) 3,682,785 (5,905,545)
Financial assets at end of period 108,308,984 115,414,643 107,047,817
Financial assets at amortised cost, category [member] | Interbank and overnight funds [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 704,260    
Financial assets at end of period 1,777,368 704,260  
Financial assets at amortised cost, category [member] | Interbank and overnight funds [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 705,055 392,607 5,967,743
New financial assets originated or purchased 2,251,099 415,418 206,661
Financial assets that have been paid (940,957) (141,132) (6,003,176)
Net remeasurement of amortized cost and other receivables (2,812) 1,870 (1,391)
Reclassification MFG operation (138,892)    
Discontinued operations (1,904)    
FX and other movements (94,073) 36,292 222,770
Financial assets at end of period 1,777,516 705,055 392,607
Financial assets at amortised cost, category [member] | Loans to consumers [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 57,810,307    
Financial assets at end of period 56,791,437 57,810,307  
Financial assets at amortised cost, category [member] | Loans to consumers [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 61,976,325 59,999,611 59,419,444
New financial assets originated or purchased 42,546,850 35,186,075 39,018,954
Financial assets that have been paid (36,443,713) (30,076,001) (32,518,213)
Net remeasurement of amortized cost and other receivables 256,571 835,968 (1,086,659)
Reclassification MFG operation (3,836,119)    
Write-offs (3,541,791) (4,179,687) (3,433,244)
Sale of loan portfolio - loss allowance (115,460) (10,064) (167,075)
Sale of loan portfolio - cash (10,238) (1,658) (34,847)
Gain or loss on sale portfolio (12,762) (5,547) 10,746
Discontinued operations 341,361 (322,591) (294,274)
FX and other movements (704,811) 550,219 (915,221)
Financial assets at end of period 60,456,213 61,976,325 59,999,611
Financial assets at amortised cost, category [member] | Mortgages [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 21,562,412    
Financial assets at end of period 21,609,555 21,562,412  
Financial assets at amortised cost, category [member] | Mortgages [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 22,035,727 18,486,206 17,883,355
New financial assets originated or purchased 7,321,341 5,507,848 5,760,722
Financial assets that have been paid (3,237,572) (2,524,153) (4,399,685)
Net remeasurement of amortized cost and other receivables (401,303) 358,749 294,279
Reclassification MFG operation (3,110,177)    
Write-offs (146,956) (76,054) (51,034)
Discontinued operations 195,092 (192,931) (192,675)
FX and other movements (544,442) 476,062 (808,756)
Financial assets at end of period 22,111,710 22,035,727 18,486,206
Financial assets at amortised cost, category [member] | Microcredit [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 757    
Financial assets at end of period 560 757  
Financial assets at amortised cost, category [member] | Microcredit [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 4,375 277,529 267,720
New financial assets originated or purchased 2,461 404,346 257,341
Financial assets that have been paid (8,324) (374,186) (208,040)
Net remeasurement of amortized cost and other receivables 5,653 (4,325) (15,264)
Write-offs (2,645) (11,193) (24,228)
Sale of loan portfolio - loss allowance   (29,631)  
Sale of loan portfolio - cash   (258,165)  
Financial assets at end of period 1,520 4,375 277,529
Financial assets at amortised cost, category [member] | Other accounts receivable at amortized cost [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 24,138,538    
Financial assets at end of period 22,216,161 24,138,538  
Financial assets at amortised cost, category [member] | Other accounts receivable, simplified approach | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 6,400,933    
Financial assets at end of period 5,374,202 6,400,933  
Financial assets measured at fair value through other comprehensive income, category [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 27,050,198    
Financial assets at end of period 28,455,957 27,050,198  
Debt securities [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 49,697,404    
Financial assets at end of period 55,244,258 49,697,404  
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Loan portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 177,196,531 164,524,561 164,906,023
Transfer from stage 1 to stage 2 (9,972,848) (9,506,321) (10,951,993)
Transfer from stage 1 to stage 3 (1,904,212) (2,324,339) (2,059,976)
Transfer from stage 2 to stage 1 4,099,867 4,633,197 9,137,025
Transfer from stage 3 to stage 1 472,961 488,967 509,414
New financial assets originated or purchased 133,064,325 114,075,744 111,919,244
Financial assets that have been paid (112,932,038) (98,949,746) (103,065,373)
Net remeasurement of amortized cost and other receivables (973,288) 476,767 1,032,328
Reclassification MFG operation (12,067,196)    
Write-offs (86,984) (68,315) (114,019)
Sale of loan portfolio - loss allowance (10) (3,063) (2,369)
Sale of loan portfolio - cash (2) (218,936)  
Gain or loss on sale portfolio (1) (20)  
Discontinued operations 922,799 (219,095) (191,326)
FX and other movements (4,700,309) 4,287,130 (6,594,417)
Financial assets at end of period 173,119,595 177,196,531 164,524,561
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Commercial lending portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 101,927,905 94,328,300 89,958,234
Transfer from stage 1 to stage 2 (3,898,207) (3,045,688) (3,831,869)
Transfer from stage 1 to stage 3 (1,069,896) (1,417,659) (979,725)
Transfer from stage 2 to stage 1 1,220,996 1,717,607 4,428,540
Transfer from stage 3 to stage 1 184,074 193,628 216,849
New financial assets originated or purchased 85,047,055 78,072,651 75,428,992
Financial assets that have been paid (77,680,078) (71,077,046) (66,409,339)
Net remeasurement of amortized cost and other receivables (51,136) (385,444) 526,100
Reclassification MFG operation (6,040,222)    
Write-offs (9,296) (4,539) (3,303)
Sale of loan portfolio - loss allowance (3)    
Sale of loan portfolio - cash (1)    
Discontinued operations 468,912 236,432 255,734
FX and other movements (3,487,842) 3,309,663 (5,261,913)
Financial assets at end of period 96,612,261 101,927,905 94,328,300
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Interbank and overnight funds [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 705,055 392,607 5,967,742
New financial assets originated or purchased 2,251,099 415,418 206,661
Financial assets that have been paid (940,957) (141,132) (6,003,176)
Net remeasurement of amortized cost and other receivables (2,812) 1,870 (1,390)
Reclassification MFG operation (138,892)    
Discontinued operations (1,904)    
FX and other movements (94,073) 36,292 222,770
Financial assets at end of period 1,777,516 705,055 392,607
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Loans to consumers [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 54,689,265 52,856,109 52,529,128
Transfer from stage 1 to stage 2 (4,500,953) (4,910,035) (5,701,009)
Transfer from stage 1 to stage 3 (777,987) (855,865) (1,029,073)
Transfer from stage 2 to stage 1 1,737,149 1,875,510 3,616,500
Transfer from stage 3 to stage 1 189,616 204,521 212,519
New financial assets originated or purchased 38,775,713 29,868,948 32,474,640
Financial assets that have been paid (31,372,070) (25,133,605) (28,331,264)
Net remeasurement of amortized cost and other receivables (678,545) 601,994 296,415
Reclassification MFG operation (3,427,598)    
Write-offs (43,494) (41,956) (101,945)
Sale of loan portfolio - loss allowance (7) (21) (2,369)
Sale of loan portfolio - cash (1) (5)  
Gain or loss on sale portfolio (1) (20)  
Discontinued operations 306,917 (300,151) (275,419)
FX and other movements (670,881) 523,841 (832,014)
Financial assets at end of period 54,227,123 54,689,265 52,856,109
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Mortgages [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 19,873,529 16,720,997 16,226,428
Transfer from stage 1 to stage 2 (1,573,688) (1,532,164) (1,382,946)
Transfer from stage 1 to stage 3 (56,288) (45,518) (40,569)
Transfer from stage 2 to stage 1 1,141,698 1,036,878 1,082,759
Transfer from stage 3 to stage 1 99,271 90,665 79,530
New financial assets originated or purchased 6,990,303 5,389,137 3,594,678
Financial assets that have been paid (2,938,553) (2,280,712) (2,142,766)
Net remeasurement of amortized cost and other receivables (240,808) 254,106 207,149
Reclassification MFG operation (2,460,484)    
Write-offs (34,189) (21,818) (8,365)
Discontinued operations 148,874 (155,376) (171,641)
FX and other movements (447,513) 417,334 (723,260)
Financial assets at end of period 20,502,152 19,873,529 16,720,997
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Microcredit [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 777 226,548 224,491
Transfer from stage 1 to stage 2   (18,434) (36,169)
Transfer from stage 1 to stage 3 (41) (5,297) (10,609)
Transfer from stage 2 to stage 1 24 3,202 9,226
Transfer from stage 3 to stage 1   153 516
New financial assets originated or purchased 155 329,590 214,273
Financial assets that have been paid (380) (317,251) (178,828)
Net remeasurement of amortized cost and other receivables 13 4,241 4,054
Write-offs (5) (2) (406)
Sale of loan portfolio - loss allowance   (3,042)  
Sale of loan portfolio - cash   (218,931)  
Financial assets at end of period 543 777 226,548
12-month expected credit losses [member] | Financial assets at amortised cost, category [member] | Other accounts receivable at amortized cost [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 17,460,928    
Financial assets at end of period 16,524,025 17,460,928  
Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Financial assets at amortised cost, category [member] | Loan portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 9,518,574 9,114,047 11,774,908
Transfer from stage 1 to stage 2 9,972,848 9,506,321 10,951,993
Transfer from stage 2 to stage 3 (3,460,367) (3,841,435) (3,372,104)
Transfer from stage 2 to stage 1 (4,099,867) (4,633,197) (9,137,025)
Transfer from stage 3 to stage 2 598,857 717,343 876,973
New financial assets originated or purchased 11,519,514 2,713,752 2,583,927
Financial assets that have been paid (12,751,684) (3,690,211) (3,798,676)
Net remeasurement of amortized cost and other receivables (463,725) (811,893) (507,018)
Reclassification MFG operation (1,670,297)    
Write-offs (365,338) (412,365) (540,280)
Sale of loan portfolio - loss allowance (357) (793) (1,809)
Sale of loan portfolio - cash (33) (12,540) (694)
Gain or loss on sale portfolio (41) (558) (59)
Discontinued operations 112,276 660,046 671,991
FX and other movements (248,985) 210,057 (388,080)
Financial assets at end of period 8,661,375 9,518,574 9,114,047
Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Financial assets at amortised cost, category [member] | Commercial lending portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 3,464,250 3,530,534 5,672,094
Transfer from stage 1 to stage 2 3,898,207 3,045,688 3,831,869
Transfer from stage 2 to stage 3 (1,161,965) (1,317,836) (986,422)
Transfer from stage 2 to stage 1 (1,220,996) (1,717,607) (4,428,540)
Transfer from stage 3 to stage 2 278,400 327,186 327,479
New financial assets originated or purchased 10,307,334 1,151,665 924,475
Financial assets that have been paid (10,557,970) (1,565,432) (1,587,486)
Net remeasurement of amortized cost and other receivables (194,087) (828,388) (679,777)
Reclassification MFG operation (811,177)    
Write-offs (5,078) (3,780) (2,131)
Sale of loan portfolio - loss allowance (3)    
Sale of loan portfolio - cash (1)    
Discontinued operations 49,220 706,131 698,670
FX and other movements (128,876) 136,089 (239,697)
Financial assets at end of period 3,917,258 3,464,250 3,530,534
Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Financial assets at amortised cost, category [member] | Loans to consumers [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 4,687,252 4,408,775 4,928,963
Transfer from stage 1 to stage 2 4,500,953 4,910,035 5,701,009
Transfer from stage 2 to stage 3 (1,909,116) (2,127,198) (2,089,300)
Transfer from stage 2 to stage 1 (1,737,149) (1,875,510) (3,616,500)
Transfer from stage 3 to stage 2 216,466 291,914 480,525
New financial assets originated or purchased 1,038,560 1,482,560 1,586,440
Financial assets that have been paid (2,079,908) (1,989,366) (2,095,326)
Net remeasurement of amortized cost and other receivables (128,026) (26,806) 140,719
Reclassification MFG operation (362,754)    
Write-offs (342,995) (395,579) (533,321)
Sale of loan portfolio - loss allowance (354) (602) (1,809)
Sale of loan portfolio - cash (32) (143) (694)
Gain or loss on sale portfolio (41) (558) (59)
Discontinued operations 26,258 (16,169) (13,883)
FX and other movements (35,340) 25,899 (77,989)
Financial assets at end of period 3,873,774 4,687,252 4,408,775
Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Financial assets at amortised cost, category [member] | Mortgages [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 1,367,033 1,160,785 1,159,795
Transfer from stage 1 to stage 2 1,573,688 1,532,164 1,382,946
Transfer from stage 2 to stage 3 (389,286) (381,561) (271,352)
Transfer from stage 2 to stage 1 (1,141,698) (1,036,878) (1,082,759)
Transfer from stage 3 to stage 2 103,954 96,914 66,023
New financial assets originated or purchased 173,598 63,254 71,625
Financial assets that have been paid (113,749) (116,394) (109,535)
Net remeasurement of amortized cost and other receivables (141,601) 43,166 30,833
Reclassification MFG operation (496,366)    
Write-offs (17,265) (12,570) (3,601)
Discontinued operations 36,798 (29,916) (12,796)
FX and other movements (84,769) 48,069 (70,394)
Financial assets at end of period 870,337 1,367,033 1,160,785
Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Financial assets at amortised cost, category [member] | Microcredit [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 39 13,953 14,056
Transfer from stage 1 to stage 2   18,434 36,169
Transfer from stage 2 to stage 3   (14,840) (25,030)
Transfer from stage 2 to stage 1 (24) (3,202) (9,226)
Transfer from stage 3 to stage 2 37 1,329 2,946
New financial assets originated or purchased 22 16,273 1,387
Financial assets that have been paid (57) (19,019) (6,329)
Net remeasurement of amortized cost and other receivables (11) 135 1,207
Write-offs   (436) (1,227)
Sale of loan portfolio - loss allowance   (191)  
Sale of loan portfolio - cash   (12,397)  
Financial assets at end of period 6 39 13,953
Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Financial assets at amortised cost, category [member] | Other accounts receivable at amortized cost [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 130,745    
Financial assets at end of period 144,086 130,745  
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Loan portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 13,421,020 12,565,162 11,632,430
Transfer from stage 1 to stage 3 1,904,212 2,324,339 2,059,976
Transfer from stage 2 to stage 3 3,460,367 3,841,435 3,372,104
Transfer from stage 3 to stage 2 (598,857) (717,343) (876,973)
Transfer from stage 3 to stage 1 (472,961) (488,967) (509,414)
New financial assets originated or purchased 5,209,376 6,287,303 8,250,075
Financial assets that have been paid (6,173,815) (6,354,777) (7,734,476)
Net remeasurement of amortized cost and other receivables 992,302 229,242 97,065
Reclassification MFG operation (1,078,234)    
Write-offs (5,220,689) (5,006,084) (3,522,200)
Sale of loan portfolio - loss allowance (301,939) (130,799) (357,202)
Sale of loan portfolio - cash (124,977) (51,151) (112,766)
Gain or loss on sale portfolio 12,181 664 3,390
Discontinued operations 75,139 673,825 687,408
FX and other movements (228,152) 248,171 (424,255)
Financial assets at end of period 10,874,973 13,421,020 12,565,162
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Commercial lending portfolio [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 10,022,488 9,188,983 9,144,771
Transfer from stage 1 to stage 3 1,069,896 1,417,659 979,725
Transfer from stage 2 to stage 3 1,161,965 1,317,836 986,422
Transfer from stage 3 to stage 2 (278,400) (327,186) (327,479)
Transfer from stage 3 to stage 1 (184,074) (193,628) (216,849)
New financial assets originated or purchased 2,317,075 2,338,796 1,156,101
Financial assets that have been paid (2,988,923) (3,236,784) (3,472,586)
Net remeasurement of amortized cost and other receivables (57,597) (84,314) 1,585,087
Reclassification MFG operation (879,140)    
Write-offs (1,967,245) (1,211,511) (662,559)
Sale of loan portfolio - loss allowance (186,840) (94,960) (194,305)
Sale of loan portfolio - cash (114,772) (22,804) (78,613)
Gain or loss on sale portfolio 24,901 5,633 (7,415)
Discontinued operations 57,533 687,735 700,618
FX and other movements (217,402) 237,033 (403,935)
Financial assets at end of period 7,779,465 10,022,488 9,188,983
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Interbank and overnight funds [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period     1
Net remeasurement of amortized cost and other receivables     (1)
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Loans to consumers [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 2,599,808 2,734,727 1,961,353
Transfer from stage 1 to stage 3 777,987 855,865 1,029,073
Transfer from stage 2 to stage 3 1,909,116 2,127,198 2,089,300
Transfer from stage 3 to stage 2 (216,466) (291,914) (480,525)
Transfer from stage 3 to stage 1 (189,616) (204,521) (212,519)
New financial assets originated or purchased 2,732,577 3,834,567 4,957,874
Financial assets that have been paid (2,991,735) (2,953,030) (2,091,623)
Net remeasurement of amortized cost and other receivables 1,063,142 260,780 (1,523,793)
Reclassification MFG operation (45,767)    
Write-offs (3,155,302) (3,742,152) (2,797,978)
Sale of loan portfolio - loss allowance (115,099) (9,441) (162,897)
Sale of loan portfolio - cash (10,205) (1,510) (34,153)
Gain or loss on sale portfolio (12,720) (4,969) 10,805
Discontinued operations 8,186 (6,271) (4,972)
FX and other movements 1,410 479 (5,218)
Financial assets at end of period 2,355,316 2,599,808 2,734,727
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Mortgages [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 795,165 604,424 497,132
Transfer from stage 1 to stage 3 56,288 45,518 40,569
Transfer from stage 2 to stage 3 389,286 381,561 271,352
Transfer from stage 3 to stage 2 (103,954) (96,914) (66,023)
Transfer from stage 3 to stage 1 (99,271) (90,665) (79,530)
New financial assets originated or purchased 157,440 55,457 2,094,419
Financial assets that have been paid (185,270) (127,047) (2,147,384)
Net remeasurement of amortized cost and other receivables (18,894) 61,477 56,297
Reclassification MFG operation (153,327)    
Write-offs (95,502) (41,666) (39,068)
Discontinued operations 9,420 (7,639) (8,238)
FX and other movements (12,160) 10,659 (15,102)
Financial assets at end of period 739,221 795,165 604,424
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Microcredit [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 3,559 37,028 29,173
Transfer from stage 1 to stage 3 41 5,297 10,609
Transfer from stage 2 to stage 3   14,840 25,030
Transfer from stage 3 to stage 2 (37) (1,329) (2,946)
Transfer from stage 3 to stage 1   (153) (516)
New financial assets originated or purchased 2,284 58,483 41,681
Financial assets that have been paid (7,887) (37,916) (22,883)
Net remeasurement of amortized cost and other receivables 5,651 (8,701) (20,525)
Write-offs (2,640) (10,755) (22,595)
Sale of loan portfolio - loss allowance   (26,398)  
Sale of loan portfolio - cash   (26,837)  
Financial assets at end of period 971 3,559 $ 37,028
Lifetime expected credit losses [member] | Financial instruments credit-impaired [member] | Financial assets at amortised cost, category [member] | Other accounts receivable at amortized cost [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Financial assets at beginning of period 145,932    
Financial assets at end of period $ 173,848 $ 145,932