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Goodwill and Other Intangible Assets, Net - Additional Information (Detail) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 01, 2025 segment	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Goodwill [Line Items]
Goodwill		$ 8,264		$ 8,264		$ 9,075
Impairment of goodwill		0	$ 0	1,153	$ 64	64
Amortization of acquisition-related intangibles		146	$ 146	$ 434	$ 467
Number of new reportable segments | segment	2			2
Health & Biosciences
Goodwill [Line Items]
Goodwill		$ 4,460		$ 4,460		$ 4,295
Impairment of goodwill				0
Food Ingredients
Goodwill [Line Items]
Impairment of goodwill				$ 1,153

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