Provisions for Contingent Loans Credit Risk - Schedule of Credit Risk for Contingent Loans (Details) - CLP ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Outstanding exposure [Member] | ||
| Schedule of Credit Risk for Contingent Loans [Line Items] | ||
| Warranty by endorsement and sureties | $ 288,710 | $ 336,737 |
| Confirmed foreign letters of credit | 186,843 | 160,856 |
| Issued foreign letters of credit | 262,916 | 281,360 |
| Performance guarantees | 3,173,261 | 3,124,626 |
| Undrawn credit lines | 11,453,782 | 11,125,300 |
| Other commitments | 69,191 | 51,889 |
| Total | 15,434,703 | 15,080,768 |
| ECL [Member] | ||
| Schedule of Credit Risk for Contingent Loans [Line Items] | ||
| Warranty by endorsement and sureties | 1,884 | 1,505 |
| Confirmed foreign letters of credit | 161 | 92 |
| Issued foreign letters of credit | 400 | 321 |
| Performance guarantees | 18,190 | 16,923 |
| Undrawn credit lines | 64,810 | 68,555 |
| Other commitments | 262 | 89 |
| Total | $ 85,707 | $ 87,485 |