v3.25.4
Financial Assets at Amortised Cost (Details) - Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance $ 2,687,485 $ 4,536,025
Transfers:    
Net changes of financial assets 68,877 162,997
Other adjustments   0
Ending balance 3,598,366 2,687,485
Gross carrying amount    
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 0 0
Net changes of financial assets 41,452 (37,704)
Write-off 0 0
Gross carrying amount | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 17,559,769 17,073,439
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 0 0
Net changes of financial assets (54,082) 527,008
Write-off (62,124) (43,800)
Other adjustments 0 3,122
Ending balance 17,443,563 17,559,769
Gross carrying amount | Stage 1 | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 14,762,656 14,635,723
Transfers:    
Transfers from stage 1 to stage 2 (3,761,615) (3,369,333)
Transfers from stage 1 to stage 3 (36,203) (35,377)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 3,383,579 2,873,839
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 4,181 0
Net changes of financial assets 117,822 654,681
Write-off 0 0
Other adjustments 0 3,123
Ending balance 14,470,420 14,762,656
Gross carrying amount | Stage 2 | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 1,944,932 1,713,185
Transfers:    
Transfers from stage 1 to stage 2 3,761,615 3,369,333
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (570,669) (628,525)
Transfers from stage 2 to stage 1 (3,383,579) (2,873,839)
Transfers from stage 3 to stage 2 363,350 476,841
Transfers from stage 3 to stage 1 0
Net changes of financial assets (160,823) (112,062)
Write-off 0
Other adjustments 0 (1)
Ending balance 1,954,826 1,944,932
Gross carrying amount | Stage 3 | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 852,181 724,531
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 36,203 35,377
Transfers from stage 2 to stage 3 570,669 628,525
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (363,350) (476,841)
Transfers from stage 3 to stage 1 (4,181) 0
Net changes of financial assets (11,081) (15,611)
Write-off (62,124) (43,800)
Other adjustments 0
Ending balance 1,018,317 852,181
ECL allowance    
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 0 0
Net changes of the exposure and modifications in credit risk 1 (1)
Write-off 0 0
ECL allowance | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 226,370 216,133
Transfers:    
Transfers from stage 1 to stage 2 75,695 75,838
Transfers from stage 1 to stage 3 12,316 1,936
Transfers from stage 2 to stage 3 46,879 37,970
Transfers from stage 2 to stage 1 (72,473) (66,173)
Transfers from stage 3 to stage 2 (30,433) (43,360)
Transfers from stage 3 to stage 1 (680) 0
Net changes of the exposure and modifications in credit risk 53,903 47,826
Write-off (62,124) (43,800)
Other adjustments 0 0
Ending balance 249,453 226,370
ECL allowance | Stage 1 | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 10,347 8,651
Transfers:    
Transfers from stage 1 to stage 2 (12,829) (6,317)
Transfers from stage 1 to stage 3 (335) (152)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 6,574 6,727
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 9 0
Net changes of the exposure and modifications in credit risk 12,746 1,438
Write-off 0
Other adjustments 0 0
Ending balance 16,512 10,347
ECL allowance | Stage 2 | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 60,330 53,371
Transfers:    
Transfers from stage 1 to stage 2 88,524 82,155
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (38,888) (31,271)
Transfers from stage 2 to stage 1 (79,047) (72,900)
Transfers from stage 3 to stage 2 23,536 39,601
Transfers from stage 3 to stage 1 0 0
Net changes of the exposure and modifications in credit risk 9,340 (10,626)
Write-off 0
Other adjustments 0 0
Ending balance 63,795 60,330
ECL allowance | Stage 3 | Mortgage loans    
Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]    
Beginning balance 155,693 154,111
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 12,651 2,088
Transfers from stage 2 to stage 3 85,767 69,241
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (53,969) (82,961)
Transfers from stage 3 to stage 1 (689) 0
Net changes of the exposure and modifications in credit risk 31,817 57,014
Write-off (62,124) (43,800)
Other adjustments 0 0
Ending balance $ 169,146 $ 155,693