Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances - Confirmed Foreign Letters Of Credit [Member] - CLP ($)
$ in Millions

Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances - Confirmed Foreign Letters Of Credit [Member] - CLP ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Gross carrying amount [member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period	$ 58,299	$ 94,673
Net change on exposures	18,005	(34,292)
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
Changes to models and assumptions
Foreign exchange adjustments	14,966	(2,082)
Total	91,270	58,299
Gross carrying amount [member] \| Stage 1 - Individual [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period	58,063	94,673
Net change on exposures	18,244	(34,528)
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
Changes to models and assumptions
Foreign exchange adjustments	14,963	(2,082)
Total	91,270	58,063
Gross carrying amount [member] \| Stage 1 - Group [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period	236
Net change on exposures	(239)	236
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
Changes to models and assumptions
Foreign exchange adjustments	3
Total		236
Gross carrying amount [member] \| Stage 2 Individual [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
Gross carrying amount [member] \| Stage 2 - Group [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
Gross carrying amount [member] \| Stage 3 Individual [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
Gross carrying amount [member] \| Stage 3 - Group [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
ECL [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period	10	4
Net change on exposures	(8)
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
Changes to models and assumptions		7
Foreign exchange adjustments	1	(1)
Total	3	10
ECL [Member] \| Stage 1 - Individual [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period	10	4
Net change on exposures	(8)
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
Changes to models and assumptions		7
Foreign exchange adjustments	1	(1)
Total	3	10
ECL [Member] \| Stage 1 - Group [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
ECL [Member] \| Stage 2 Individual [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
ECL [Member] \| Stage 2 - Group [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
ECL [Member] \| Stage 3 Individual [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total
ECL [Member] \| Stage 3 - Group [Member]
Provisions (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items]
Exposure as at beginning of period
Net change on exposures
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
Changes to models and assumptions
Foreign exchange adjustments
Total