CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Revenues	$ 1,664	$ 2,152	$ 3,676	$ 4,168
Expenses
Selling, general and administrative	526	651	1,159	1,238
Research and development	108	117	230	234
Amortization of intangible assets	436	488	872	977
Asset impairments	1	13	15	16
Restructuring and integration costs	7	4	11	24
Acquisition-related contingent consideration	11	20	24	(1)
Other expense, net	107	8	130	5
Total expenses	1,691	1,895	3,455	3,624
Operating (loss) income	(27)	257	221	544
Interest income	2	3	9	7
Interest expense	(385)	(409)	(781)	(815)
Loss on extinguishment of debt	(27)	(33)	(51)	(40)
Foreign exchange and other	0	3	(13)	3
Loss before benefit from income taxes	(437)	(179)	(615)	(301)
Benefit from income taxes	112	9	138	83
Net loss	(325)	(170)	(477)	(218)
Net income attributable to noncontrolling interest	(1)	(1)	(1)	(5)
Net loss attributable to Bausch Health Companies Inc.	$ (326)	$ (171)	$ (478)	$ (223)
Basic and diluted loss per share attributable to Bausch Health Companies Inc. (in usd per share)	$ (0.92)	$ (0.49)	$ (1.35)	$ (0.63)
Basic and diluted weighted-average common shares (in shares)	355.3	352.1	354.3	351.7
Product sales
Revenues
Revenues	$ 1,637	$ 2,122	$ 3,623	$ 4,111
Expenses
Cost of goods sold (excluding amortization and impairments of intangible assets) and Cost of other revenues	482	580	987	1,104
Other revenues
Revenues
Revenues	27	30	53	57
Expenses
Cost of goods sold (excluding amortization and impairments of intangible assets) and Cost of other revenues	$ 13	$ 14	$ 27	$ 27