Goodwill and Other Intangible Assets, Net - Movements in Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Goodwill [Roll Forward]
Balance at January 1, 2025			$ 9,075
Reallocation of goodwill in segment reorganization			0
Transferred to assets held for sale			(6)
Impairment	$ 0	$ 0	(1,153)	$ (64)	$ (64)
Foreign exchange			348
Balance at September 30, 2025	8,264		8,264		9,075
Nourish
Goodwill [Roll Forward]
Balance at January 1, 2025			3,315
Reallocation of goodwill in segment reorganization			(3,315)
Transferred to assets held for sale			0
Impairment			0
Foreign exchange			0
Balance at September 30, 2025	0		0		3,315
Health & Biosciences
Goodwill [Roll Forward]
Balance at January 1, 2025			4,295
Reallocation of goodwill in segment reorganization			(14)
Transferred to assets held for sale			0
Impairment			0
Foreign exchange			179
Balance at September 30, 2025	4,460		4,460		4,295
Scent
Goodwill [Roll Forward]
Balance at January 1, 2025			1,465
Reallocation of goodwill in segment reorganization			0
Transferred to assets held for sale			0
Impairment			0
Foreign exchange			44
Balance at September 30, 2025	1,509		1,509		1,465
Pharma Solutions
Goodwill [Roll Forward]
Balance at January 1, 2025			0
Reallocation of goodwill in segment reorganization			0
Transferred to assets held for sale			0
Impairment			0
Foreign exchange			0
Balance at September 30, 2025	0		0		0
Taste
Goodwill [Roll Forward]
Balance at January 1, 2025			0
Reallocation of goodwill in segment reorganization			2,176
Transferred to assets held for sale			(6)
Impairment			0
Foreign exchange			125
Balance at September 30, 2025	2,295		2,295		0
Food Ingredients
Goodwill [Roll Forward]
Balance at January 1, 2025			0
Reallocation of goodwill in segment reorganization			1,153
Transferred to assets held for sale			0
Impairment			(1,153)
Foreign exchange			0
Balance at September 30, 2025	$ 0		$ 0		$ 0