Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Legal Settlements and Loss Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Loss Contingencies [Line Items]
Legal settlements and loss contingencies, expenses	$ 230	$ 166	$ 303	$ 252
Accrued amount for legal settlements and loss contingencies	$ 4,854		$ 4,854		$ 4,753
Opioid Litigation [Member] \| United States [Member]
Loss Contingencies [Line Items]
Restructuring expense and income			Expenses in the second quarter of 2026 were mainly related to an estimated provision recorded in connection with one of the Company’s ongoing antitrust litigations and an update to the estimated settlement provision for the opioid cases (mainly the effect of the passage of time on the net present value of the discounted payments)