CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 403	$ 191	$ 198	$ (1,009)
Other comprehensive loss
Foreign currency translation adjustment	(243)	(80)	(465)	(128)
Pension and postretirement benefit plan adjustments, net of income taxes	(1)	(1)	6	(1)
Other comprehensive loss	(244)	(81)	(459)	(129)
Comprehensive income (loss)	159	110	(261)	(1,138)
Comprehensive income attributable to noncontrolling interest	(23)	(3)	(32)	(9)
Comprehensive income (loss) attributable to Bausch Health Companies Inc.	$ 136	$ 107	$ (293)	$ (1,147)