XML 90 R79.htm IDEA: XBRL DOCUMENT
v3.25.2

RESEARCH AND DEVELOPMENT - Research and Development Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Research and Development [Abstract] |  |  |  |
Product related research and development | $ 154 | $ 153 | $ 293 | $ 299
Quality assurance | 5 | 3 | 9 | 8
Research and development | $ 159 | $ 156 | $ 302 | $ 307

X
- Definition Research And Development Expense, Product Related + References No definition available. + Details
Name: | bhc_ResearchAndDevelopmentExpenseProductRelated
Namespace Prefix: | bhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Research And Development Expense, Quality Assurance + References No definition available. + Details
Name: | bhc_ResearchAndDevelopmentExpenseQualityAssurance
Namespace Prefix: | bhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ResearchAndDevelopmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for research and development. Excludes cost for computer software product to be sold, leased, or otherwise marketed, writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both, and write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 730 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482916/730-10-50-1 + Details
Name: | us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration