SEGMENT INFORMATION - Segment Revenues and Profit (Details) - USD ($) $ in Millions		3 Months Ended
	Jun. 08, 2021	Mar. 31, 2022	Mar. 31, 2021
Segment reporting information
Revenues		$ 1,918	$ 2,027
Operating income (loss)		285	(221)
Amortization of intangible assets		(310)	(357)
Goodwill impairments		0	(469)
Asset impairments, including loss on assets held for sale		(8)	(148)
Restructuring, integration, separation and IPO costs		(13)	(12)
Other income (expense), net		(2)	30
Interest income		2	2
Interest expense		(362)	(368)
Loss on extinguishment of debt	$ (38)	0	(5)
Foreign exchange and other		(7)	1
Loss before provision for income taxes		(82)	(591)
Bausch + Lomb
Segment reporting information
Revenues		889	881
Salix
Segment reporting information
Revenues		464	472
International
Segment reporting information
Revenues		244	306
Solta Medical
Segment reporting information
Revenues		72	72
Diversified Products
Segment reporting information
Revenues		249	296
Operating Segment
Segment reporting information
Revenues		1,918	2,027
Operating income (loss)		812	916
Operating Segment | Bausch + Lomb
Segment reporting information
Revenues		889	881
Operating income (loss)		206	239
Operating Segment | Salix
Segment reporting information
Revenues		464	472
Operating income (loss)		322	327
Operating Segment | International
Segment reporting information
Revenues		244	306
Operating income (loss)		91	109
Operating Segment | Solta Medical
Segment reporting information
Revenues		72	72
Operating income (loss)		35	41
Operating Segment | Diversified Products
Segment reporting information
Revenues		249	296
Operating income (loss)		158	200
Corporate
Segment reporting information
Operating income (loss)		$ (194)	$ (181)