Goodwill - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022
Goodwill [Line Items]
Goodwill impairment	$ 0	$ 700	$ 0	$ 700	$ 745
Tevas North America Europe Medis and Tevas API [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		10.00%
Tevas International Market [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	3.00%			3.00%
Tevas International Market [Member] | Measurement Input Terminal Growth Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	1.56%			1.56%
Tevas International Market [Member] | Measurement Input, Discount Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	9.96%			9.96%
Tevas Europe Reporting Unit [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	1.00%			1.00%		9.00%
Maximum [Member] | Tevas International Market [Member] | Measurement Input Terminal Growth Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	1.31%			1.31%
Maximum [Member] | Tevas International Market [Member] | Measurement Input, Discount Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	10.21%			10.21%
Minimum [Member] | Tevas International Market [Member] | Measurement Input Terminal Growth Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	0.25%			0.25%
Minimum [Member] | Tevas International Market [Member] | Measurement Input, Discount Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount	0.25%			0.25%