CONSOLIDATED STATEMENTS OF SHAREHOLDERS' DEFICIT - USD ($) $ in Millions	Total	Bausch Health Companies Inc. Shareholders’ (Deficit) Equity	Common Shares	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non- controlling Interest
Beginning Balance (in shares) at Dec. 31, 2020			355,400,000
Beginning Balance at Dec. 31, 2020	$ 605	$ 535	$ 10,227	$ 454	$ (8,013)	$ (2,133)	$ 70
Increase (Decrease) in Shareholders' Equity
Common shares issued under share-based compensation plans (in shares)			2,700,000
Common shares issued under share-based compensation plans	11	11	$ 62	(51)
Share-based compensation	31	31		31
Employee withholding taxes related to share-based awards	(41)	(41)		(41)
Net (loss) income	(607)	(610)			(610)		3
Other comprehensive loss	(123)	(123)				(123)
Ending Balance (in shares) at Mar. 31, 2021			358,100,000
Ending Balance at Mar. 31, 2021	$ (124)	(197)	$ 10,289	393	(8,623)	(2,256)	73
Beginning Balance (in shares) at Dec. 31, 2021	359,405,748		359,400,000
Beginning Balance at Dec. 31, 2021	$ (34)	(106)	$ 10,317	462	(8,961)	(1,924)	72
Increase (Decrease) in Shareholders' Equity
Common shares issued under share-based compensation plans (in shares)			1,900,000
Common shares issued under share-based compensation plans	2	2	$ 56	(54)
Share-based compensation	32	32		32
Employee withholding taxes related to share-based awards	(25)	(25)		(25)
Net (loss) income	(66)	(69)			(69)		3
Other comprehensive loss	$ (50)	(50)				(50)
Ending Balance (in shares) at Mar. 31, 2022	361,331,665		361,300,000
Ending Balance at Mar. 31, 2022	$ (141)	$ (216)	$ 10,373	$ 415	$ (9,030)	$ (1,974)	$ 75