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LICENSING AGREEMENTS AND ACQUISITIONS (Details) $ in Millions |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 09, 2025 USD ($) | Sep. 30, 2025 USD ($) | Jan. 31, 2025 USD ($) therapy | Dec. 31, 2024 USD ($) | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
Business Combination [Line Items] |  |  |  |  |  |  |  |
Current portion included in Accrued and other current liabilities |  | $ 39 |  |  | $ 39 |  | $ 37 |
Goodwill |  | 11,287 |  | $ 11,087 | 11,287 | $ 11,087 |  | $ 11,183
Whitecap Biosciences Acquisition | Bausch + Lomb |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  | $ 28 |  | 28 |  |  |
Number of innovative therapies | therapy |  |  | 2 |  |  |  |  |
Elios Vision | Bausch + Lomb |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  |  | 99 |  |  |  |
Business combination, contingent consideration, liability |  |  |  | 89 |  | 89 |  |
Current portion included in Accrued and other current liabilities |  |  |  | 11 |  | 11 |  |
Business combination, consideration transferred |  |  |  |  |  | 188 |  |
Business combination, recognized asset acquired, identifiable intangible asset, excluding goodwill |  |  |  | 177 |  | 177 |  |
Business combination, recognized asset acquired, other asset, current |  |  |  | 16 |  | 16 |  |
Goodwill |  |  |  | $ 27 |  | $ 27 |  |
DURECT Corporation |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |
Asset acquisition, consideration transferred |  | 84 |  |  |  |  |  |
Payments to acquire productive assets |  | 64 |  |  |  |  |  |
Asset acquisition, recognized liabilities assumed |  | 11 |  |  | 11 |  |  |
Asset acquisition, consideration transferred, transaction cost |  | 9 |  |  |  |  |  |
Asset, contingent consideration |  | 350 |  |  | $ 350 |  |  |
IPRD expensed |  | 81 |  |  |  |  |  |
Asset acquisition, recognized assets acquired |  | $ 3 |  |  |  |  |  |
Surgical Manufacturing Facility | Bausch + Lomb |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |
Payments to acquire productive assets | $ 75 |  |  |  |  |  |  |

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