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Employee Benefits (Details) - Schedule of changes in the present value of the defined benefit obligation - CLP ($) $ in Millions		12 Months Ended
		Dec. 31, 2020		Dec. 31, 2019
Schedule of changes in the present value of the defined benefit obligation [Abstract]
Opening defined benefit obligation, January 1,		$ 7,566	[1]	$ 7,754
Increase in provision		527		323
Benefits paid		(603)		(758)
Actuarial gains and losses		91		247
Closing defined benefit obligation	[1]	$ 7,581		$ 7,566
[1] See Note No. 2 (x) (iii).

X

- Definition

The amount of increase (decrease) through provision, net defined benefit liability (asset)

+ References

No definition available.

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- References

No definition available.

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X

- Definition

The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2020-01-01
-Paragraph 141
-Subparagraph c
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X

- Definition

The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2020-01-01
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- Definition

The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)]

+ References

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