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Fair Value of Financial Assets and Liabilities (Details)	12 Months Ended
	Dec. 31, 2023
Fair Value of Financial Assets and Liabilities [Abstract]
Instruments, percentage	100.00%
financial instruments to domestic issuers	100.00%

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Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

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