Segment Information - Income Statement (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues		$ 9,256	$ 8,544	$ 8,080
Cost of Sales	[1]	2,719	2,561	2,454
Other (income)/deductions-net		19	159	(40)
Earnings	[2]	3,133	2,936	2,656
Depreciation and Amortization	[2],[3]	497	491	465
Property, plant and equipment, less accumulated depreciation		3,391	3,204
Gain (Loss) on Disposition of Business		(23)	101	0
Pumpkin Insurance Services
Segment Reporting Information [Line Items]
Gain (Loss) on Disposition of Business		101
Other business activities
Segment Reporting Information [Line Items]
Earnings		(562)	(496)	(424)
Depreciation and Amortization	[3]	43	33	28
United States
Segment Reporting Information [Line Items]
Revenues		5,074	4,555	4,313
Property, plant and equipment, less accumulated depreciation		2,249	2,092
International
Segment Reporting Information [Line Items]
Property, plant and equipment, less accumulated depreciation		1,142	1,112
Operating Segments
Segment Reporting Information [Line Items]
Earnings		5,454	4,900	4,753
Depreciation and Amortization	[3]	181	172	141
Operating Segments | United States Segment
Segment Reporting Information [Line Items]
Revenues		5,074	4,555	4,313
Cost of Sales		936	900	803
Gross Profit		$ 4,138	$ 3,655	$ 3,510
Gross Margin		81.60%	80.20%	81.40%
Operating expenses		$ 805	$ 786	$ 765
Other (income)/deductions-net		(3)	6	(18)
Earnings		3,336	2,863	2,763
Depreciation and Amortization	[3]	85	80	55
Operating Segments | International Segment
Segment Reporting Information [Line Items]
Revenues	[4]	4,102	3,911	3,681
Cost of Sales		1,312	1,234	1,083
Gross Profit		$ 2,790	$ 2,677	$ 2,598
Gross Margin		68.00%	68.40%	70.60%
Operating expenses		$ 671	$ 638	$ 611
Other (income)/deductions-net		1	2	(3)
Earnings		2,118	2,037	1,990
Depreciation and Amortization	[3]	96	92	86
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Earnings		(1,213)	(1,042)	(1,073)
Depreciation and Amortization	[3]	128	128	132
Segment Reconciling Items
Segment Reporting Information [Line Items]
Purchase accounting adjustments, earnings		(140)	(159)	(160)
Purchase accounting adjustments, depreciation and amortization	[3]	140	153	159
Certain significant items, earnings	[5]	(79)	33	(56)
Certain significant items, depreciation and amortization	[3],[5]	0	0	0
Other unallocated, earnings		(309)	(291)	(379)
Other unallocated, deprecation and amortization	[3]	5	5	5
Business Combination, Acquisition And Divesture Related Costs		(18)	(9)	(5)
Acquisition And Divestiture Depreciation, Depletion and Amortization	[3]	$ 0	$ 0	$ 0

[1] Exclusive of amortization of intangible assets, except as disclosed in Note 3. Significant Accounting Policies—Amortization of Intangible Assets, Depreciation and Certain Long-Lived Assets.

[2] Defined as income before provision for taxes on income.

[3] Certain production facilities are shared. Depreciation and amortization is allocated to the reportable operating segments based on estimates of where the benefits of the related assets are realized.

[4] Operating expenses primarily consisted of field selling, advertising and promotions, other marketing expenses, and freight and logistics costs. (c) Revenue denominated in euros was $937 million in 2024, $853 million in 2023 and $774 million in 2022.

[5] For 2024, certain significant items primarily consisted of employee termination costs related to organizational structure refinements, a net loss related to the sale of our medicated feed additive product portfolio, certain water soluble products and related assets, as well as asset impairment charges related to our aquaculture business, partially offset by a reversal of certain employee termination costs as a result of a change in strategy from our 2015 operational efficiency initiative. For 2023, certain significant items primarily consisted of a gain on the sale of a majority interest in our pet insurance business of $101 million, partially offset by employee termination and exit costs related to organizational structure refinements of $43 million and certain asset impairment charges primarily related to our precision animal health and diagnostics businesses of $24 million. For 2022, certain significant items primarily represents inventory and asset impairment charges related to customer relationships, developed technology rights and property, plant and equipment in our diagnostics, poultry, cattle and swine businesses and the consolidation of manufacturing sites in China of $47 million, as well as employee termination and exit costs associated with cost-reduction and productivity initiatives in certain international markets of $4 million.