v3.25.4
Provisions and Contingent Provisions (Details) - Schedule of Provisions for Contingent Loan Risk - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Schedule of Provisions for Contingent Loan Risk [Line Items]    
ECL allowance, beginning balance $ 18,389 $ 21,105
Transfers from stage 1 to stage 2 12,498 4,973
Transfers from stage 1 to stage 3 2,749 642
Transfers from stage 2 to stage 3 5,378 4,244
Transfers from stage 2 to stage 1 (10,241) (5,942)
Transfers from stage 3 to stage 2 (1,286) 2,896
Transfers from stage 3 to stage 1 (116) 0
Net changes of the exposure and modifications in credit risk 4,755 (9,529)
Write-off 0 0
Other adjustments 0 0
ECL allowance, ending balance 32,126 18,389
Stage 1    
Schedule of Provisions for Contingent Loan Risk [Line Items]    
ECL allowance, beginning balance 8,259 10,949
Transfers from stage 1 to stage 2 (1,257) (1,207)
Transfers from stage 1 to stage 3 (43) (43)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 1,258 1,058
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 1 0
Net changes of the exposure and modifications in credit risk 10,201 (2,498)
Write-off 0 0
Other adjustments 0 0
ECL allowance, ending balance 18,419 8,259
Stage 2    
Schedule of Provisions for Contingent Loan Risk [Line Items]    
ECL allowance, beginning balance 4,343 3,420
Transfers from stage 1 to stage 2 13,755 6,180
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (1,170) (1,342)
Transfers from stage 2 to stage 1 (11,499) (7,000)
Transfers from stage 3 to stage 2 1,257 4,447
Transfers from stage 3 to stage 1 0 0
Net changes of the exposure and modifications in credit risk 2,801 (1,362)
Write-off 0 0
Other adjustments 0 0
ECL allowance, ending balance 9,487 4,343
Stage 3    
Schedule of Provisions for Contingent Loan Risk [Line Items]    
ECL allowance, beginning balance 5,787 6,736
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 2,792 685
Transfers from stage 2 to stage 3 6,548 5,586
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (2,543) (1,551)
Transfers from stage 3 to stage 1 (117) 0
Net changes of the exposure and modifications in credit risk (8,247) (5,669)
Write-off 0 0
Other adjustments 0 0
ECL allowance, ending balance $ 4,220 $ 5,787