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Financial Assets at Amortised Cost (Details) - Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Transfers:    
Net changes of financial assets $ 5,945,707 $ 3,342,572
Write-off   0
Other adjustments 0 0
Stage 1    
Transfers:    
Write-off   0
Other adjustments   0
Stage 2    
Transfers:    
Write-off   0
Other adjustments   0
Gross carrying amount    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 68,440 32,991
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
Write-off 0 0
Gross carrying amount, Ending balance 31,283 68,440
Gross carrying amount | Corporate loans | Stage 1    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 11,174,092 10,885,781
Transfers:    
Transfers from stage 1 to stage 2 (535,745) (520,813)
Transfers from stage 1 to stage 3 (1,674) (4,278)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 238,276 505,152
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 0 44
Net changes of financial assets 356 297,075
Write-off 0 0
Other adjustments 35,381 11,131
Gross carrying amount, Ending balance 10,910,686 11,174,092
Gross carrying amount | Corporate loans | Stage 2    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 866,764 1,192,595
Transfers:    
Transfers from stage 1 to stage 2 535,745 520,813
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (162,278) (228,472)
Transfers from stage 2 to stage 1 (238,276) (505,152)
Transfers from stage 3 to stage 2 15,818 93,978
Transfers from stage 3 to stage 1 0 0
Net changes of financial assets (195,131) (206,999)
Write-off 0 0
Other adjustments (10,178) 1
Gross carrying amount, Ending balance 812,464 866,764
Gross carrying amount | Corporate loans | Stage 3    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 722,900 683,368
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 1,674 4,278
Transfers from stage 2 to stage 3 162,278 228,472
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (15,818) (93,978)
Transfers from stage 3 to stage 1 0 (44)
Net changes of financial assets 2,469 (34,094)
Write-off (113,299) (65,102)
Other adjustments (950) 0
Gross carrying amount, Ending balance 759,254 722,900
Gross carrying amount | Other commercial | Stage 1    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 4,375,334 4,258,677
Transfers:    
Transfers from stage 1 to stage 2 (1,108,548) (732,573)
Transfers from stage 1 to stage 3 (24,780) (40,314)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 802,344 353,714
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 (4,471) 10,951
Net changes of financial assets 326,487 528,353
Write-off 0 0
Other adjustments (44,955) (3,474)
Gross carrying amount, Ending balance 4,321,411 4,375,334
Gross carrying amount | Other commercial | Stage 2    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 486,303 229,571
Transfers:    
Transfers from stage 1 to stage 2 1,108,548 732,573
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (328,832) (236,712)
Transfers from stage 2 to stage 1 (802,344) (353,714)
Transfers from stage 3 to stage 2 161,388 144,542
Transfers from stage 3 to stage 1 0 0
Net changes of financial assets (117,497) (30,373)
Write-off 0 0
Other adjustments 20,186 416
Gross carrying amount, Ending balance 527,752 486,303
Gross carrying amount | Other commercial | Stage 3    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 446,264 434,597
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 24,780 40,314
Transfers from stage 2 to stage 3 328,832 236,712
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (161,388) (144,542)
Transfers from stage 3 to stage 1 4,471 (10,951)
Net changes of financial assets (30,580) (26,215)
Write-off (124,000) (82,530)
Other adjustments 1,208 (1,121)
Gross carrying amount, Ending balance 489,587 446,264
ECL allowance    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 2 1
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
Write-off 0 0
Expected credit losses allowances, Ending balance 1 2
ECL allowance | Corporate loans | Stage 1    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 23,668 38,718
Transfers:    
Transfers from stage 1 to stage 2 (3,579) (4,221)
Transfers from stage 1 to stage 3 (8) (23)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 1,261 6,715
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 6,539 (17,720)
Write-off 0 0
Other adjustments (1,617) 199
Expected credit losses allowances, Ending balance 26,264 23,668
ECL allowance | Corporate loans | Stage 2    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 35,714 61,094
Transfers:    
Transfers from stage 1 to stage 2 11,418 11,509
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (11,419) (19,808)
Transfers from stage 2 to stage 1 (6,304) (16,407)
Transfers from stage 3 to stage 2 3,132 12,317
Transfers from stage 3 to stage 1 0 0
Net changes of the exposure and modifications in credit risk 5,347 (12,984)
Write-off 0 0
Other adjustments (566) (7)
Expected credit losses allowances, Ending balance 37,322 35,714
ECL allowance | Corporate loans | Stage 3    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 343,056 285,762
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 212 1,723
Transfers from stage 2 to stage 3 54,694 88,874
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (5,738) (19,752)
Transfers from stage 3 to stage 1 0 (12)
Net changes of the exposure and modifications in credit risk 78,060 51,564
Write-off (113,299) (65,102)
Other adjustments (162) (1)
Expected credit losses allowances, Ending balance 356,823 343,056
ECL allowance | Other commercial | Stage 1    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 37,913 44,535
Transfers:    
Transfers from stage 1 to stage 2 (27,395) (26,250)
Transfers from stage 1 to stage 3 (1,102) (1,759)
Transfers from stage 2 to stage 3 0 0
Transfers from stage 2 to stage 1 8,777 7,286
Transfers from stage 3 to stage 2 0 0
Transfers from stage 3 to stage 1 (341) 131
Net changes of the exposure and modifications in credit risk 29,205 17,065
Write-off 0 0
Other adjustments (15) (3,095)
Expected credit losses allowances, Ending balance 47,042 37,913
ECL allowance | Other commercial | Stage 2    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 31,921 30,262
Transfers:    
Transfers from stage 1 to stage 2 90,547 81,669
Transfers from stage 1 to stage 3 0 0
Transfers from stage 2 to stage 3 (46,020) (40,855)
Transfers from stage 2 to stage 1 (48,605) (50,448)
Transfers from stage 3 to stage 2 15,908 24,741
Transfers from stage 3 to stage 1 0 0
Net changes of the exposure and modifications in credit risk (9,481) (13,112)
Write-off 0 0
Other adjustments 564 (336)
Expected credit losses allowances, Ending balance 34,834 31,921
ECL allowance | Other commercial | Stage 3    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 187,322 201,195
Transfers:    
Transfers from stage 1 to stage 2 0 0
Transfers from stage 1 to stage 3 4,967 6,896
Transfers from stage 2 to stage 3 102,745 66,626
Transfers from stage 2 to stage 1 0 0
Transfers from stage 3 to stage 2 (33,554) (37,198)
Transfers from stage 3 to stage 1 1,538 (1,209)
Net changes of the exposure and modifications in credit risk 43,907 37,059
Write-off (124,000) (82,530)
Other adjustments 193 (3,517)
Expected credit losses allowances, Ending balance 183,118 187,322
Commercial Loans | Gross carrying amount    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Gross carrying amount, Beginning balance 18,071,657 17,684,589
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 (13,896) 527,747
Write-off (237,299) (147,632)
Other adjustments 692 6,953
Gross carrying amount, Ending balance 17,821,154 18,071,657
Commercial Loans | ECL allowance    
Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]    
Expected credit losses allowances, beginning balance 659,594 661,566
Transfers:    
Transfers from stage 1 to stage 2 70,991 62,707
Transfers from stage 1 to stage 3 4,069 6,837
Transfers from stage 2 to stage 3 100,000 94,837
Transfers from stage 2 to stage 1 (44,871) (52,854)
Transfers from stage 3 to stage 2 (20,252) (19,892)
Transfers from stage 3 to stage 1 1,197 (1,090)
Net changes of the exposure and modifications in credit risk 153,577 61,872
Write-off (237,299) (147,632)
Other adjustments (1,603) (6,757)
Expected credit losses allowances, Ending balance $ 685,403 $ 659,594