SUPPLEMENTARY DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

Selected unaudited quarterly consolidated financial data are shown below:

	2019
(in millions, except per share amounts)	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Revenue	$	2,016		$	2,152		$	2,209		$	2,224
Expenses	1,729			1,895			1,880			3,300
Operating income (loss)	$	287		$	257		$	329		$	(1,076	)
Net loss attributable to Bausch Health Companies Inc.	$	(52	)	$	(171	)	$	(49	)	$	(1,516	)
Basic and Diluted loss per share attributable to Bausch Health Companies Inc.:	$	(0.15	)	$	(0.49	)	$	(0.14	)	$	(4.30	)
Net cash provided by operating activities	$	413		$	339		$	515		$	234

	2018
(in millions, except per share amounts)	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Revenue	$	1,995		$	2,128		$	2,136		$	2,121
Expenses	4,276			2,373			2,019			2,096
Operating (loss) income	$	(2,281	)	$	(245	)	$	117		$	25
Net loss attributable to Bausch Health Companies Inc.	$	(2,581	)	$	(873	)	$	(350	)	$	(344	)
Basic and Diluted loss per share attributable to Bausch Health Companies Inc.:	$	(7.36	)	$	(2.49	)	$	(1.00	)	$	(0.98	)
Net cash provided by operating activities	$	438		$	222		$	522		$	319