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Goodwill - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended	9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	[1]	$ 18,433			$ 18,433		$ 20,040
Reporting unit percentage of fair value in excess of carrying amount		9.00%			9.00%
Goodwill impairment		$ 0	$ 0	$ 745	$ 745	$ 0
Measurement Input Terminal Growth Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		1.41%			1.41%
Measurement Input, Discount Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		10.04%			10.04%
International Markets Reporting Unit [Member]
Goodwill [Line Items]
Goodwill				479
Tevas API Reporting Unit [Member]
Goodwill [Line Items]
Goodwill				$ 266
Tevas Europe Reporting Unit [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		5.00%			5.00%
North America and Medis Reporting Units [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount				10.00%
Maximum [Member] | Measurement Input Terminal Growth Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		0.91%			0.91%
Maximum [Member] | Measurement Input, Discount Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		10.54%			10.54%
Minimum [Member] | Measurement Input Terminal Growth Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		0.50%			0.50%
Minimum [Member] | Measurement Input, Discount Rate [Member]
Goodwill [Line Items]
Reporting unit percentage of fair value in excess of carrying amount		0.50%			0.50%
[1] Accumulated goodwill impairment as of September 30, 2022 and December 31, 2021 was approximately $26.3 billion and $25.6 billion, respectively.

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