Repayments Of Long-term Debt, Notice Of Redemption, Period

No definition available.

Name:	bhc_RepaymentsOfLongtermDebtNoticeOfRedemptionPeriod
Namespace Prefix:	bhc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bhc_SeniorNotes7.5July2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

FINANCING ARRANGEMENTS - Summary of Consolidated Long-term Debt Narrative (Details) - USD ($) $ in Millions			9 Months Ended
	Oct. 26, 2018	Sep. 26, 2018	Sep. 30, 2018	Sep. 30, 2017
Debt Instrument [Line Items]
Repayments of long-term debt			$ 8,200	$ 9,249
Senior Unsecured Notes \| 7.50% Senior Notes due in July 2021
Debt Instrument [Line Items]
Repayments of long-term debt, notice of redemption period		30 days
Stated interest rate on debt (as a percent)			7.50%
Subsequent Event \| Senior Unsecured Notes \| 7.50% Senior Notes due in July 2021
Debt Instrument [Line Items]
Repayments of long-term debt	$ 125
Stated interest rate on debt (as a percent)	7.50%