SHARE-BASED COMPENSATION - Summary of Share-Based Compensation Award Activity (Details) - $ / shares shares in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Stock options
Stock options
Granted (in shares)	999	2,570
Weighted-average exercise price (in usd per share)	$ 9.25	$ 23.95
Weighted-average grant date fair value (in usd per share)	$ 4.87	$ 6.60
Stock options | Bausch + Lomb
Stock options
Granted (in shares)	3,453	6,455
Weighted-average exercise price (in usd per share)	$ 18.21	$ 18.00
Weighted-average grant date fair value (in usd per share)	$ 5.33	$ 4.55
Time-based RSUs
Other than Stock options
Granted (in shares)	4,881	6,151
Weighted-average grant date fair value (in usd per share)	$ 9.02	$ 11.76
Adjusted Operating Cash Flow performance-based RSUs
Other than Stock options
Granted (in shares)	647	0
Weighted-average grant date fair value (in usd per share)	$ 10.57	$ 0
ROTC performance-based RSUs
Other than Stock options
Granted (in shares)	0	369
Weighted-average grant date fair value (in usd per share)	$ 0	$ 9.40
RSUs | Bausch + Lomb
Other than Stock options
Granted (in shares)	3,165	4,205
Weighted-average grant date fair value (in usd per share)	$ 17.97	$ 17.22
TSR performance-based RSUs | Bausch + Lomb
Other than Stock options
Granted (in shares)	1,175	0
Weighted-average grant date fair value (in usd per share)	$ 27.65	$ 0
Organic Revenue Growth performance-based RSUs | Bausch + Lomb
Other than Stock options
Granted (in shares)	142	0
Weighted-average grant date fair value (in usd per share)	$ 17.96	$ 0