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Legal Settlements and Loss Contingencies - Additional Information (Detail)
€ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2023
EUR (€)
Loss Contingencies [Line Items]        
Legal settlements and loss contingencies, expense $ 1,043 $ 2,082 $ 717  
Accrued amount for legal settlements and loss contingencies $ 4,771 $ 4,186   € 60.5
Settlement On Account Of Product Liability [Member] | United States [Member]        
Loss Contingencies [Line Items]        
Restructuring expense and income Legal settlements and loss contingencies in 2021 were mainly related to an update of the estimated settlement provision recorded in connection with the remaining opioid cases, the provision for the carvedilol patent litigation as well as a liability which was substantially offset by insurance receivable related to the Ontario Teachers Securities Litigation discussed in note 12b.