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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | Jun. 01, 2022 | May 10, 2022 | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Common shares, outstanding (in shares) |  |  | 361,571,921 | 359,405,748
Bausch + Lomb |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Common shares, outstanding (in shares) | 310,449,643 |  |  |
Percentage of shares held | 88.70% |  |  |
IPO and Over-Allotment Option |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Shares sold, net proceeds | $ 675 |  |  |
B+L IPO |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Shares sold (in shares) |  | 35,000,000 |  |
Price of shares sold (in usd per share) |  | $ 18.00 |  |
Over-Allotment |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Shares sold (in shares) | 4,550,357 |  |  |
Price of shares sold (in usd per share) | $ 18.00 |  |  |
Underwriters option to purchase additional shares, term |  | 30 days |  |
Number of additional shares available for issuance (in shares) |  | 5,250,000 |  |

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