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SHARE-BASED COMPENSATION - Stock Options (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Stock options |  |  |
Method and assumptions on valuation of stock options |  |  |
Expected stock option life (years) | 3 years | 3 years | 3 years
Expected volatility | 37.80% | 50.20% | 38.70%
Risk-free interest rate | 1.80% | 0.40% | 1.20%
Expected dividend yield | 0.00% | 0.00% | 0.00%
Options |  |  |
Beginning of the period (in shares) | 8,900,000 |  |
Granted (in shares) | 2,600,000 |  |
Exercised (in shares) | (100,000) |  |
Expired or forfeited (in shares) | (600,000) |  |
End of the period (in shares) | 10,800,000 | 8,900,000 |
Vested and expected to vest at the end of the period (in shares) | 10,300,000 |  |
Vested and exercisable at the end of the period (in shares) | 6,900,000 |  |
Weighted- Average Exercise Price Per Share |  |  |
Beginning of the period (in dollars per share) | $ 27.65 |  |
Granted (in dollars per share) | 23.95 |  |
Exercised (in dollars per share) | 19.57 |  |
Expired or forfeited (in dollars per share) | 28.29 |  |
End of the period (in dollars per share) | 26.83 | $ 27.65 |
Vested and expected to vest at the end of the period (in dollars per share) | 26.86 |  |
Vested and exercisable at the end of the period (in dollars per share) | $ 27.39 |  |
Weighted- Average Remaining Contractual Term (Years) |  |  |
Outstanding at the end of the period | 6 years |  |
Vested and expected to vest at the end of the period | 5 years 10 months 24 days |  |
Vested and exercisable at the end of the period | 4 years 6 months |  |
Aggregate Intrinsic Value |  |  |
Outstanding at the end of the period | $ 0 |  |
Vested and expected to vest at the end of the period | 0 |  |
Vested and exercisable at the end of the period | $ 0 |  |
Additional disclosures |  |  |
Weighted-average grant date fair value of stock options (in dollars per share) | $ 6.60 | $ 10.92 | $ 6.60
Intrinsic value of stock options exercised in the period | $ 1 | $ 15 | $ 2
Proceeds from exercise of stock options | 3 | $ 22 | $ 5
Remaining unrecognized compensation expense related to non-vested awards | $ 14 |  |
Weighted-average remaining requisite service period over which unrecognized compensation cost is expected to be amortized | 1 year 6 months |  |
Stock options | Bausch + Lomb |  |  |
Method and assumptions on valuation of stock options |  |  |
Expected stock option life (years) | 3 years |  |
Expected volatility | 31.50% |  |
Risk-free interest rate | 3.10% |  |
Expected dividend yield | 0.00% |  |
Options |  |  |
Beginning of the period (in shares) | 0 |  |
Granted (in shares) | 6,400,000 |  |
Exercised (in shares) | 0 |  |
Expired or forfeited (in shares) | (100,000) |  |
End of the period (in shares) | 6,300,000 | 0 |
Vested and expected to vest at the end of the period (in shares) | 1,200,000 |  |
Vested and exercisable at the end of the period (in shares) | 0 |  |
Weighted- Average Exercise Price Per Share |  |  |
Beginning of the period (in dollars per share) | $ 0 |  |
Granted (in dollars per share) | 18.00 |  |
Exercised (in dollars per share) | 0 |  |
Expired or forfeited (in dollars per share) | 18.00 |  |
End of the period (in dollars per share) | 18.00 | $ 0 |
Vested and expected to vest at the end of the period (in dollars per share) | 18.00 |  |
Vested and exercisable at the end of the period (in dollars per share) | $ 0 |  |
Weighted- Average Remaining Contractual Term (Years) |  |  |
Outstanding at the end of the period | 9 years 4 months 24 days |  |
Vested and expected to vest at the end of the period | 4 years 6 months |  |
Vested and exercisable at the end of the period | 0 years |  |
Aggregate Intrinsic Value |  |  |
Outstanding at the end of the period | $ 0 |  |
Vested and expected to vest at the end of the period | 0 |  |
Vested and exercisable at the end of the period | $ 0 |  |
Additional disclosures |  |  |
Weighted-average grant date fair value of stock options (in dollars per share) | $ 3.84 |  |
Remaining unrecognized compensation expense related to non-vested awards | $ 4 |  |
Weighted-average remaining requisite service period over which unrecognized compensation cost is expected to be amortized | 8 months 12 days |  |
Vesting Period One |  |  |
Share-based compensation |  |  |
Vesting period | 3 years |  |
Vesting Period One | Stock options |  |  |
Share-based compensation |  |  |
Percentage of stock options that will vest on each of the first, second, third and fourth anniversaries from the date of grant | 33.00% |  |
Vesting Period Two |  |  |
Share-based compensation |  |  |
Vesting period | 4 years |  |
Vesting Period Two | Stock options |  |  |
Share-based compensation |  |  |
Percentage of stock options that will vest on each of the first, second, third and fourth anniversaries from the date of grant | 25.00% |  |

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