v3.26.1
Provisions for Contingent Loans Credit Risk - Schedule of Changes in Outstanding Exposures and Corresponding Allowance (Details) - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period $ 15,080,768 $ 13,547,435
Net change on exposures 789,383 1,002,786
Transfer to Stage 1
Transfer to Stage 2
Transfer to Stage 3
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (435,448) 530,547
Total 15,434,703 15,080,768
ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 87,485 89,640
Net change on exposures (6,122) (5,024)
Transfer to Stage 1
Transfer to Stage 2
Transfer to Stage 3
Impact on year-end ECL of exposures transferred between stages during the year 1,434 825
Refinements to models used for calculation 4,398
Foreign exchange adjustments (1,488) 2,044
Total 85,707 87,485
Stage 1 - Individual [Member] | Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 5,328,378 4,775,026
Net change on exposures 271,262 446,635
Transfer to Stage 1 45,277 51,618
Transfer to Stage 2 (41,967) (64,150)
Transfer to Stage 3 (94) (230)
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (100,690) 119,479
Total 5,502,166 5,328,378
Stage 1 - Individual [Member] | ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 10,684 12,464
Net change on exposures 222 (2,010)
Transfer to Stage 1 337 278
Transfer to Stage 2 (122) (178)
Transfer to Stage 3 (1)
Impact on year-end ECL of exposures transferred between stages during the year (206) (137)
Refinements to models used for calculation 4,290
Foreign exchange adjustments (235) 268
Total 14,970 10,684
Stage 1 - Group [Member] | Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 9,397,036 8,422,110
Net change on exposures 620,577 640,430
Transfer to Stage 1 737,007 724,421
Transfer to Stage 2 (862,155) (781,359)
Transfer to Stage 3 (619) (4,778)
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (322,643) 396,212
Total 9,569,203 9,397,036
Stage 1 - Group [Member] | ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 61,028 59,093
Net change on exposures (1,658) 1,862
Transfer to Stage 1 8,805 9,166
Transfer to Stage 2 (6,016) (6,138)
Transfer to Stage 3 (5) (55)
Impact on year-end ECL of exposures transferred between stages during the year (3,994) (4,400)
Refinements to models used for calculation
Foreign exchange adjustments (1,080) 1,500
Total 57,080 61,028
Stage 2 - Individual [Member] | Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 60,163 68,290
Net change on exposures (3,460) (10,584)
Transfer to Stage 1 (45,220) (51,590)
Transfer to Stage 2 42,749 64,276
Transfer to Stage 3 (3,393) (11,105)
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (465) 876
Total 50,374 60,163
Stage 2 - Individual [Member] | ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 4,923 6,242
Net change on exposures (1,755) (1,642)
Transfer to Stage 1 (301) (269)
Transfer to Stage 2 160 242
Transfer to Stage 3 (100) (172)
Impact on year-end ECL of exposures transferred between stages during the year 899 497
Refinements to models used for calculation 108
Foreign exchange adjustments (3) 25
Total 3,931 4,923
Stage 2 - Group [Member] | Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 262,865 254,564
Net change on exposures (79,908) (61,617)
Transfer to Stage 1 (734,234) (718,951)
Transfer to Stage 2 862,400 781,686
Transfer to Stage 3 (7,306) (6,390)
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (11,341) 13,573
Total 292,476 262,865
Stage 2 - Group [Member] | ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 2,460 2,364
Net change on exposures (279) (72)
Transfer to Stage 1 (7,544) (6,839)
Transfer to Stage 2 6,115 6,272
Transfer to Stage 3 (1,507) (1,511)
Impact on year-end ECL of exposures transferred between stages during the year 3,624 2,192
Refinements to models used for calculation
Foreign exchange adjustments (42) 54
Total 2,827 2,460
Stage 3 - Individual [Member] | Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 24,503 18,861
Net change on exposures (13,302) (5,580)
Transfer to Stage 1 (57) (28)
Transfer to Stage 2 (782) (126)
Transfer to Stage 3 3,487 11,335
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (36) 41
Total 13,813 24,503
Stage 3 - Individual [Member] | ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 4,748 5,417
Net change on exposures (1,788) (2,106)
Transfer to Stage 1 (36) (9)
Transfer to Stage 2 (38) (64)
Transfer to Stage 3 100 173
Impact on year-end ECL of exposures transferred between stages during the year 929 1,314
Refinements to models used for calculation
Foreign exchange adjustments (18) 23
Total 3,897 4,748
Stage 3 - Group [Member] | Gross carrying amount [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 7,823 8,584
Net change on exposures (5,786) (6,498)
Transfer to Stage 1 (2,773) (5,470)
Transfer to Stage 2 (245) (327)
Transfer to Stage 3 7,925 11,168
Impact on year-end ECL of exposures transferred between stages during the year
Refinements to models used for calculation
Foreign exchange adjustments (273) 366
Total 6,671 7,823
Stage 3 - Group [Member] | ECL [Member]    
Schedule of Changes in Outstanding Exposures and Corresponding Allowance [Line Items]    
Outstanding exposure as at beginning of period 3,642 4,060
Net change on exposures (864) (1,056)
Transfer to Stage 1 (1,261) (2,327)
Transfer to Stage 2 (99) (134)
Transfer to Stage 3 1,512 1,566
Impact on year-end ECL of exposures transferred between stages during the year 182 1,359
Refinements to models used for calculation
Foreign exchange adjustments (110) 174
Total $ 3,002 $ 3,642