CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (382)	$ 403	$ (564)	$ 198
Other comprehensive (loss) income
Foreign currency translation adjustment	(134)	(243)	0	(465)
Pension and postretirement benefit plan adjustments, net of income taxes	(2)	(1)	(2)	6
Other comprehensive loss	(136)	(244)	(2)	(459)
Comprehensive (loss) income	(518)	159	(566)	(261)
Comprehensive (income) loss attributable to noncontrolling interest	(9)	(23)	18	(32)
Comprehensive (loss) income attributable to Bausch Health Companies Inc.	$ (527)	$ 136	$ (548)	$ (293)