XML 60 R45.htm IDEA: XBRL DOCUMENT
v3.22.0.1

RESEARCH AND DEVELOPMENT (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Research and Development [Abstract] |
Summary of research and development | Research and development costs for the years 2021, 2020 and 2019 consists of:
(in millions) |  | 2021 |  | 2020 |  | 2019
Product related research and development |  | $ | 440 |  |  | $ | 420 |  |  | $ | 434 |
Quality assurance |  | 25 |  |  | 32 |  |  | 37 |
Research and development |  | $ | 465 |  |  | $ | 452 |  |  | $ | 471 |

X
- Definition Summary Of Research And Development Expense [Table Text Block] + References No definition available. + Details
Name: | bhc_SummaryOfResearchAndDevelopmentExpenseTableTextBlock
Namespace Prefix: | bhc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
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