v3.26.1
Right-of-Use Assets and Lease Liabilities - Schedule of Changes of the Rights Over Leased Assets (Details) - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Gross Balance [Member]    
Gross Balance    
Balance at beginning $ 191,518 $ 209,335
Additions 14,260 19,149
Disposals (24,129) (36,731)
Remeasurement (222) (235)
Other increases
Total 181,427 191,518
Gross Balance [Member] | Buildings [member]    
Gross Balance    
Balance at beginning 126,655 145,849
Additions 8,256 13,892
Disposals (22,850) (33,019)
Remeasurement (222) (67)
Other increases
Total 111,839 126,655
Gross Balance [Member] | Floor space for ATMs [Member]    
Gross Balance    
Balance at beginning 36,080 33,060
Additions 5,239 4,385
Disposals (293) (1,197)
Remeasurement (168)
Other increases
Total 41,026 36,080
Gross Balance [Member] | Improvements to leased properties [Member]    
Gross Balance    
Balance at beginning 28,783 30,426
Additions 765 872
Disposals (986) (2,515)
Remeasurement
Other increases
Total 28,562 28,783
Accumulated Depreciation [Member]    
Gross Balance    
Balance at beginning (94,639) (100,446)
Depreciation of the year [1] (29,656) (29,807)
Disposals 22,340 35,637
Other increases (227) (23)
Total (102,182) (94,639)
Balance at ending 79,245 96,879
Accumulated Depreciation [Member] | Buildings [member]    
Gross Balance    
Balance at beginning (63,657) (75,361)
Depreciation of the year [1] (19,581) (20,939)
Disposals 21,321 32,638
Other increases (227) 56
Total (62,144) (63,657)
Balance at ending 49,695 62,998
Accumulated Depreciation [Member] | Floor space for ATMs [Member]    
Gross Balance    
Balance at beginning (9,307) (2,669)
Depreciation of the year [1] (9,026) (7,733)
Disposals 293 1,123
Other increases (28)
Total (18,040) (9,307)
Balance at ending 22,986 26,773
Accumulated Depreciation [Member] | Improvements to leased properties [Member]    
Gross Balance    
Balance at beginning (21,675) (22,416)
Depreciation of the year [1] (1,049) (1,135)
Disposals 726 1,876
Other increases
Total (21,998) (21,675)
Balance at ending $ 6,564 $ 7,108
[1] See Note No.37 Depreciation and Amortization.