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SEGMENT INFORMATION - Revenues by Product Category (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) product | Dec. 31, 2020 USD ($) product | Dec. 31, 2019 USD ($) product
Revenue from External Customer [Line Items] |  |  |
Number of products represented of total revenue | product | 10 | 10 | 10
Revenues | $ 8,434 | $ 8,027 | $ 8,601
Pharmaceuticals |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 3,762 | 3,680 | 4,078
Devices |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,904 | 1,566 | 1,718
OTC |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,532 | 1,430 | 1,447
Branded and Other Generics |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,144 | 1,248 | 1,246
Other revenues |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 92 | 103 | 112
Bausch + Lomb |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 3,765 | 3,415 | 3,778
Bausch + Lomb | Pharmaceuticals |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 514 | 506 | 623
Bausch + Lomb | Devices |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,596 | 1,313 | 1,524
Bausch + Lomb | OTC |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,388 | 1,311 | 1,322
Bausch + Lomb | Branded and Other Generics |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 240 | 254 | 260
Bausch + Lomb | Other revenues |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 27 | 31 | 49
Salix |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 2,074 | 1,904 | 2,022
Salix | Pharmaceuticals |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 2,066 | 1,899 | 2,022
Salix | Devices |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Salix | OTC |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Salix | Branded and Other Generics |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Salix | Other revenues |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 8 | 5 | 0
International |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,166 | 1,181 | 1,154
International | Pharmaceuticals |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 259 | 255 | 268
International | Devices |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
International | OTC |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 136 | 112 | 119
International | Branded and Other Generics |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 737 | 775 | 730
International | Other revenues |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 34 | 39 | 37
Solta Medical |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 308 | 253 | 194
Solta Medical | Pharmaceuticals |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Solta Medical | Devices |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 308 | 253 | 194
Solta Medical | OTC |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Solta Medical | Branded and Other Generics |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Solta Medical | Other revenues |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Diversified Products |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 1,121 | 1,274 | 1,453
Diversified Products | Pharmaceuticals |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 923 | 1,020 | 1,165
Diversified Products | Devices |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Diversified Products | OTC |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 8 | 7 | 6
Diversified Products | Branded and Other Generics |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | 167 | 219 | 256
Diversified Products | Other revenues |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 23 | $ 28 | $ 26
Revenues | Product Concentration Risk | Customer, Top Ten Products |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk, percentage | 43.00% | 41.00% | 39.00%

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