LOSS PER SHARE - Schedule of Calculation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net loss attributable to Bausch + Lomb Corporation	$ (151)	$ (32)	$ (318)	$ (122)
Basic weighted-average common shares outstanding (in shares)	351.8	350.5	351.5	350.3
Diluted effect of stock options and RSUs (in shares)	0.0	0.0	0.0	0.0
Diluted weighted-average common shares outstanding (in shares)	351.8	350.5	351.5	350.3
Basic Loss per share attributable to Bausch + Lomb Corporation (in usd per share)	$ (0.43)	$ (0.09)	$ (0.90)	$ (0.35)
Diluted Loss per share attributable to Bausch + Lomb Corporation (in usd per share)	$ (0.43)	$ (0.09)	$ (0.90)	$ (0.35)