CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues
Revenues	$ 2,209	$ 2,136	$ 6,377	$ 6,259
Expenses
Selling, general and administrative	648	614	1,886	1,847
Research and development	123	107	357	293
Amortization of intangible assets	475	658	1,452	2,142
Goodwill impairments	0	0	0	2,213
Asset impairments	33	89	49	434
Restructuring and integration costs	4	3	28	16
Acquisition-related contingent consideration	3	(19)	2	(23)
Other expense (income), net	10	(15)	15	(3)
Total expenses	1,880	2,019	5,504	8,668
Operating income (loss)	329	117	873	(2,409)
Interest income	2	3	9	9
Interest expense	(406)	(420)	(1,221)	(1,271)
Loss on extinguishment of debt	0	0	(40)	(75)
Foreign exchange and other	9	0	12	18
Loss before benefit from (provision for) income taxes	(66)	(300)	(367)	(3,728)
Benefit from (provision for) income taxes	18	(51)	101	(74)
Net loss	(48)	(351)	(266)	(3,802)
Net (income) loss attributable to noncontrolling interest	(1)	1	(6)	(2)
Net loss attributable to Bausch Health Companies Inc.	$ (49)	$ (350)	$ (272)	$ (3,804)
Basic and diluted loss per share attributable to Bausch Health Companies Inc. (in usd per share)	$ (0.14)	$ (1.00)	$ (0.77)	$ (10.83)
Basic and diluted weighted-average common shares (in shares)	352.4	351.5	351.9	351.1
Product sales
Revenues
Revenues	$ 2,180	$ 2,108	$ 6,291	$ 6,173
Expenses
Cost of goods sold (excluding amortization and impairments of intangible assets) and Cost of other revenues	571	573	1,675	1,717
Other revenues
Revenues
Revenues	29	28	86	86
Expenses
Cost of goods sold (excluding amortization and impairments of intangible assets) and Cost of other revenues	$ 13	$ 9	$ 40	$ 32