Segment, Geographic and Other Revenue Information - Revenues by Geographic Area (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues:	[1]	$ 58,496	$ 100,330	$ 81,288
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues:		27,088	42,473	29,746
Developed Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues:		11,650	21,982	18,336
Developed Rest of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues:		7,761	15,778	12,506
Emerging Markets [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues:		$ 11,996	$ 20,097	$ 20,701

[1] Earnings = Income from continuing operations before provision/(benefit) for taxes on income. Biopharma’s revenues and earnings in 2023 reflect a non-cash revenue reversal of $3.5 billion (see Note 17C). Biopharma’s earnings also include dividend income from our investment in ViiV of $265 million in 2023, $314 million in 2022 and $166 million in 2021.