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SIGNIFICANT ACCOUNTING POLICIES - Employee Benefit Plans (Details)	12 Months Ended
	Dec. 31, 2022
Accounting Policies [Abstract]
Threshold percentage for amortization of net actuarial gains and losses	10.00%

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- Definition

Defined Benefit Plan, Actuarial Gain (Loss), Amortization Threshold Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	bhc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration