CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Revenues	$ 2,238	$ 2,046	$ 6,349	$ 5,931
Expenses
Selling, general and administrative	715	661	2,151	1,959
Research and development	153	133	452	387
Amortization of intangible assets	253	290	795	902
Goodwill impairments	402	119	402	202
Asset impairments	4	1	54	15
Restructuring, integration, separation and IPO costs	14	10	40	58
Other expense, net	60	4	0	6
Total expenses	2,224	1,802	5,748	5,241
Operating income	14	244	601	690
Interest income	6	3	19	8
Interest expense	(339)	(385)	(965)	(1,157)
Gain on extinguishment of debt	0	570	0	683
Foreign exchange and other	(7)	7	(38)	4
(Loss) income before income taxes	(326)	439	(383)	228
Provision for income taxes	(56)	(36)	(181)	(30)
Net (loss) income	(382)	403	(564)	198
Net loss (income) attributable to noncontrolling interest	4	(4)	11	(13)
Net (loss) income attributable to Bausch Health Companies Inc.	$ (378)	$ 399	$ (553)	$ 185
(Loss) earnings per share attributable to Bausch Health Companies Inc.
Basic (in usd per share)	$ (1.03)	$ 1.10	$ (1.52)	$ 0.51
Diluted (in usd per share)	$ (1.03)	$ 1.10	$ (1.52)	$ 0.51
Weighted-average common shares
Basic (in shares)	365.4	362.5	364.5	361.8
Diluted (in shares)	365.4	363.4	364.5	363.7
Product sales
Revenues
Revenues	$ 2,213	$ 2,022	$ 6,281	$ 5,857
Expenses
Cost of goods sold (excluding amortization and impairments of intangible assets) and Cost of other revenues	612	573	1,824	1,677
Other revenues
Revenues
Revenues	25	24	68	74
Expenses
Cost of goods sold (excluding amortization and impairments of intangible assets) and Cost of other revenues	$ 11	$ 11	$ 30	$ 35