v3.25.4

COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions	Dec. 31, 2025 USD ($)
Other commitments
Capital expenditures	$ 128
Milestone payments in terms of collaboration and license agreements, aggregate	242
Accrued milestone payments under acquisition and licensing arrangements	37
Novaliq GmbH
Other commitments
Milestone payments in terms of collaboration and license agreements, aggregate	88
Whitecap Biosciences
Other commitments
Aggregate milestone payments under acquisition and licensing arrangements	64
Unnamed Seller For December 2025 Manufacturing Equipment Acquisition
Other commitments
Aggregate milestone payments under acquisition and licensing arrangements	$ 35

X

- Definition

Accrued Milestone Payments Under Acquisition And Licensing Arrangements

+ References

No definition available.

+ Details

Name:	blco_AccruedMilestonePaymentsUnderAcquisitionAndLicensingArrangements
Namespace Prefix:	blco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the amounts required to be paid by the reporting entity, which are contingent upon the achievement of specific development, regulatory or commercial milestones, in connection with the Collaboration Agreement.

+ References

No definition available.

+ Details

Name:	blco_CollaborativeAgreementMilestonePaymentsAggregate
Namespace Prefix:	blco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Milestone Payments Under Acquisition And Licensing Arrangements, Aggregate

+ References

No definition available.

+ Details

Name:	blco_CollaborativeArrangementMilestonePaymentsUnderAcquisitionAndLicensingArrangementsAggregate
Namespace Prefix:	blco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

-- None. No documentation exists for this element. --

+ References

No definition available.

+ Details

Name:	blco_ScheduleOfCommitmentsLineItems
Namespace Prefix:	blco_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_CounterpartyNameAxis=blco_NovaliqGmbHMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=blco_WhitecapBiosciencesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=blco_UnnamedSellerForDecember2025ManufacturingEquipmentAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: