Restructuring and Other Charges - Movements in Restructuring and Related Accruals (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Balance	$ 14	$ 21	$ 5
Additional Charges (Reversals), Net	41	17	30
Non-Cash Charges	(8)	(12)	(1)
Cash Payments	(18)	(12)	(13)
Balance	29	14	21
Additional charges, net	41	17	30
Severance
Restructuring Reserve [Roll Forward]
Balance	2	0
Additional Charges (Reversals), Net	0	3
Non-Cash Charges	0	0
Cash Payments	(1)	(1)
Balance	1	2	0
Other(1)
Restructuring Reserve [Roll Forward]
Balance	0
Additional Charges (Reversals), Net	1
Non-Cash Charges	0
Cash Payments	(1)
Balance	0	0
Scent [Member]
Restructuring Reserve [Roll Forward]
Additional charges, net	3	7	12
Pharma Solutions
Restructuring Reserve [Roll Forward]
Additional charges, net	1	0	0
Nourish
Restructuring Reserve [Roll Forward]
Additional charges, net	32	10	17
Health & Biosciences
Restructuring Reserve [Roll Forward]
Additional charges, net	5	0	1
Frutarom Integration Initiative [Member] \| Severance
Restructuring Reserve [Roll Forward]
Balance	3	4	0
Additional Charges (Reversals), Net	5	2	6
Non-Cash Charges	0	0	0
Cash Payments	(3)	(3)	(2)
Balance	5	3	4
Additional charges, net	37
Frutarom Integration Initiative [Member] \| Fixed asset write down
Restructuring Reserve [Roll Forward]
Balance	0	0	0
Additional Charges (Reversals), Net	5	12	1
Non-Cash Charges	(5)	(12)	(1)
Cash Payments	0	0	0
Balance	0	0	0
Frutarom Integration Initiative [Member] \| Other(1)
Restructuring Reserve [Roll Forward]
Balance	3	3	0
Additional Charges (Reversals), Net	0	2	4
Non-Cash Charges	0	0	0
Cash Payments	0	(2)	(1)
Balance	3	3	3
2019 Severance Initiatives [Member] \| Severance
Restructuring Reserve [Roll Forward]
Balance	6	13	0
Additional Charges (Reversals), Net	0	(1)	21
Non-Cash Charges	0	0	0
Cash Payments	(1)	(6)	(8)
Balance	5	6	13
Additional charges, net	20
2017 Productivity Program [Member]
Restructuring Reserve [Roll Forward]
Additional charges, net	24
2017 Productivity Program [Member] \| Severance
Restructuring Reserve [Roll Forward]
Balance	$ 0	1	4
Additional Charges (Reversals), Net		(1)	(2)
Non-Cash Charges		0	0
Cash Payments		0	(1)
Balance		0	1
2017 Productivity Program [Member] \| Other(1)
Restructuring Reserve [Roll Forward]
Balance		$ 0	1
Additional Charges (Reversals), Net			0
Non-Cash Charges			0
Cash Payments			(1)
Balance			$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(2))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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