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Segment Information - Reportable Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net sales:
Net sales	$ 3,089	$ 1,199	$ 5,554	$ 2,546
Segment Adjusted Operating EBITDA
Other Depreciation and Amortization	322	80	564	161
Restructuring and other charges, net	(24)	(2)	(28)	(7)
Losses on sale of assets	0	0	0	(1)
Severance Costs	(3)	0	(6)	0
Interest expense	(77)	(32)	(142)	(64)
Other income, net	11	16	18	5
Income before taxes	44	104	(10)	257
Segment Adjusted Operating EBITDA	679	239	1,248	542
Shareholder Activism Related Costs	0	0	(7)	0
Business Divestiture Costs	(5)	0	(5)	0
Corporate and Other
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(24)	(2)	(28)	(7)
Losses on sale of assets	0	0	0	(1)
Compliance Review and Legal Defense Costs	0	0	0	(1)
Health & Biosciences
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(4)	0	(4)	0
Pharma Solutions
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(1)	0	(1)	0
Taste
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(17)	(2)	(20)	(7)
Scent [Member]
Segment Adjusted Operating EBITDA
Restructuring and other charges, net	(2)	0	(3)	0
Operating Segments | Health & Biosciences
Net sales:
Net sales	639	34	1,065	68
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	190	10	318	19
Operating Segments | Pharma Solutions
Net sales:
Net sales	232	0	394	0
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	48	0	91	0
Operating Segments | Taste
Net sales:
Net sales	1,668	690	2,976	1,462
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	324	142	594	318
Operating Segments | Scent [Member]
Net sales:
Net sales	550	475	1,119	1,016
Segment Adjusted Operating EBITDA
Segment Adjusted Operating EBITDA	117	87	245	205
Nutrition & Biosciences, Inc
Segment Adjusted Operating EBITDA
Transaction related costs	(2)		(91)
Nutrition & Biosciences, Inc | Corporate and Other
Segment Adjusted Operating EBITDA
Integration-related costs	(17)	(23)	(54)	(33)
N&B Inventory Step-Up Costs	(195)	0	(377)	0
Transaction related costs	(2)	(11)	(91)	(16)
Frutarom | Corporate and Other
Segment Adjusted Operating EBITDA
Integration-related costs	$ (1)	$ (3)	$ (2)	$ (7)

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