The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Identifiable Intangible Assets - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets useful life	9 years
Amortization of intangible assets	$ 732	$ 802	$ 1,020
2023	597
2024	531
2025	490
2026	493
2027	485
Impairment of intangible assets excluding goodwill	355	424	1,502
Inventory write down	4,200
Change In Tevas Commercial Plans Regarding Certain Program [Member]
Finite-Lived Intangible Assets [Line Items]
Inventory write down	$ 108
Minimum [Member] \| Measurement input, discount rate [Member]
Finite-Lived Intangible Assets [Line Items]
Business combination, contingent consideration, liability, measurement input	8.5
Maximum [Member] \| Measurement input, discount rate [Member]
Finite-Lived Intangible Assets [Line Items]
Business combination, contingent consideration, liability, measurement input	11
Lenalidomide Product [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill			262
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill			797
In Process Research and Development [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Business combination, contingent consideration, liability, measurement input	7.25
In Process Research and Development [Member] \| Minimum [Member] \| Measurement input, discount rate [Member]
Finite-Lived Intangible Assets [Line Items]
Business combination, contingent consideration, liability, measurement input	20
In Process Research and Development [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Business combination, contingent consideration, liability, measurement input	11
In Process Research and Development [Member] \| Maximum [Member] \| Measurement input, discount rate [Member]
Finite-Lived Intangible Assets [Line Items]
Business combination, contingent consideration, liability, measurement input	90
In Process Research and Development [Member] \| Generic Pipeline Products [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill	$ 45	127
Identifiable product rights [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill	310		705
Identifiable product rights [Member] \| Updated Market Assumptions [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill	256
Identifiable product rights [Member] \| Change In Tevas Commercial Plans Regarding Certain Program [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill	$ 54
Identifiable product rights [Member] \| Lenalidomide Product [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill		267
Actavis [Member] \| In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill			110
Actavis [Member] \| In Process Research and Development [Member] \| Lenalidomide Product [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill			300
Actavis [Member] \| Identifiable product rights [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill		297	398
AUSTEDO [Member] \| In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill			211
Japan [Member] \| Identifiable product rights [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill			$ 165
United States [Member] \| Actavis [Member] \| Identifiable product rights [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets excluding goodwill		$ 30