CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Bausch + Lomb Corporation Shareholders’ Equity	Common Shares	BHC Investment	Additional Paid in Capital	Accumulated (Deficit) Earnings	Accumulated Other Comprehensive Loss	Non-controlling Interest
Beginning Balance (in shares) at Dec. 31, 2021			0
Beginning Balance at Dec. 31, 2021	$ 9,402	$ 9,329	$ 0	$ 10,364	$ 0	$ 0	$ (1,035)	$ 73
Increase (Decrease) in Shareholders' Equity
Issuance of common shares (Note 16) (in shares)			350,000,000.0
Issuance of common shares (Note 16)	0			(8,164)	8,164
Issuance of BHC Purchase Debt (Note 4)	(2,200)	(2,200)		(2,200)
Net distributions to BHC and affiliates (Note 4)	(87)	(87)			(87)
Share-based compensation	11	11			11
Net (loss) income	30	25				25		5
Other comprehensive income (loss)	(185)	(182)					(182)	(3)
Ending Balance (in shares) at Jun. 30, 2022			350,000,000.0
Ending Balance at Jun. 30, 2022	6,971	6,896	$ 0	0	8,088	25	(1,217)	75
Beginning Balance (in shares) at Mar. 31, 2022			350,000,000.0
Beginning Balance at Mar. 31, 2022	7,216	7,140	$ 0	0	8,219	20	(1,099)	76
Increase (Decrease) in Shareholders' Equity
Net distributions to BHC and affiliates (Note 4)	(142)	(142)			(142)
Share-based compensation	11	11			11
Net (loss) income	7	5				5		2
Other comprehensive income (loss)	(121)	(118)					(118)	(3)
Ending Balance (in shares) at Jun. 30, 2022			350,000,000.0
Ending Balance at Jun. 30, 2022	$ 6,971	6,896	$ 0	0	8,088	25	(1,217)	75
Beginning Balance (in shares) at Dec. 31, 2022	350,000,749		350,000,000.0
Beginning Balance at Dec. 31, 2022	$ 7,101	7,033	$ 0	0	8,285	6	(1,258)	68
Increase (Decrease) in Shareholders' Equity
Common shares issued under share-based compensation plans (in shares)			500,000
Share-based compensation	42	42			42
Employee withholding taxes related to share-based awards	(6)	(6)			(6)
Net (loss) income	(117)	(122)				(122)		5
Other comprehensive income (loss)	$ 10	11					11	(1)
Ending Balance (in shares) at Jun. 30, 2023	350,527,323		350,500,000
Ending Balance at Jun. 30, 2023	$ 7,030	6,958	$ 0	0	8,321	(116)	(1,247)	72
Beginning Balance (in shares) at Mar. 31, 2023			350,200,000
Beginning Balance at Mar. 31, 2023	7,052	6,983	$ 0	0	8,305	(84)	(1,238)	69
Increase (Decrease) in Shareholders' Equity
Common shares issued under share-based compensation plans (in shares)			300,000
Share-based compensation	18	18			18
Employee withholding taxes related to share-based awards	(2)	(2)			(2)
Net (loss) income	(29)	(32)				(32)		3
Other comprehensive income (loss)	$ (9)	(9)					(9)
Ending Balance (in shares) at Jun. 30, 2023	350,527,323		350,500,000
Ending Balance at Jun. 30, 2023	$ 7,030	$ 6,958	$ 0	$ 0	$ 8,321	$ (116)	$ (1,247)	$ 72