v3.26.1
Financial Assets at Fair Value Through Other Comprehensive Income - Schedule of Changes in Fair Value and Corresponding Allowance for ECL (Details) - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Fair value [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period $ 2,088,345 $ 3,786,525
Net change on Balance [1] 1,454,573 (1,694,790)
Change in fair value 6,053 (3,390)
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period 3,548,971 2,088,345
ECL [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period 4,226 5,500
Net change on Balance [1] 2,753 (1,274)
Change in fair value
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period 6,979 4,226
Stage 1 Individual [Member] | Fair value [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period 2,088,345 3,786,525
Net change on Balance [1] 1,454,573 (1,694,790)
Change in fair value 6,053 (3,390)
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period 3,548,971 2,088,345
Stage 1 Individual [Member] | ECL [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period 4,226 5,500
Net change on Balance [1] 2,753 (1,274)
Change in fair value
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period 6,979 4,226
Stage 2 Individual [Member] | Fair value [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period
Net change on Balance [1]
Change in fair value
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period
Stage 2 Individual [Member] | ECL [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period
Net change on Balance [1]
Change in fair value
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period
Stage 3 Individual [Member] | Fair value [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period
Net change on Balance [1]
Change in fair value
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period
Stage 3 Individual [Member] | ECL [Member]    
Schedule of Changes in Fair Value and Corresponding Allowance for ECL [Line Items]    
Financial assets at beginning of period
Net change on Balance [1]
Change in fair value
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 [2]
Impact of net re-measurement of year-end ECL
Amounts written off
Foreign exchange adjustments
Financial assets at end of period
[1] Net change between assets purchased and assets derecognized.
[2] Represents the change in the year-end ECLs of exposures that were transferred from one stage to another during the year.