Segment Information - Reportable Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net sales:
Net sales	$ 3,071	$ 1,268	$ 8,625	$ 3,814
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	648	276	1,896	818
Other Depreciation and Amortization	297	83	861	244
Restructuring and other charges, net	(6)	(1)	(34)	(8)
Gains (Losses) on Sale of Assets	1	(1)	1	(2)
Shareholder Activism Related Costs	0	0	(7)	0
Business Divestiture Costs	(16)	0	(21)	0
Severance Costs	(22)	0	(28)	0
Interest expense	(74)	(35)	(216)	(99)
Other income, net	26	(10)	44	(5)
Income before taxes	250	105	240	362
Corporate and Other
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(6)	(1)	(34)	(8)
Gains (Losses) on Sale of Assets	1	(1)	1	(2)
Compliance Review and Legal Defense Costs	0	(1)	0	(2)
Health & Biosciences
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(1)	0	(5)	0
Pharma Solutions
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	0	0	(1)	0
Taste
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(5)	(1)	(25)	(8)
Scent [Member]
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	0	0	(3)	0
Operating Segments | Health & Biosciences
Net sales:
Net sales	618	31	1,683	99
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	151	10	469	29
Operating Segments | Pharma Solutions
Net sales:
Net sales	211	0	605	0
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	40	0	131	0
Operating Segments | Taste
Net sales:
Net sales	1,662	712	4,638	2,174
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	327	148	921	466
Operating Segments | Scent [Member]
Net sales:
Net sales	580	525	1,699	1,541
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	130	118	375	323
Nutrition & Biosciences, Inc
Segment Adjusted Operating EBITDA
Transaction related costs			(91)
Nutrition & Biosciences, Inc | Corporate and Other
Segment Adjusted Operating EBITDA
Integration-related costs	(23)	(29)	(77)	(62)
N&B Inventory Step-Up Costs	14	0	(363)	0
Transaction related costs	0	(8)	(91)	(24)
Frutarom | Corporate and Other
Segment Adjusted Operating EBITDA
Integration-related costs	(1)	(2)	(3)	(9)
Transaction related costs	$ 0	$ (1)	$ 0	$ (1)