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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Taxes [Line Items]
Domestic earnings repatriated	$ 65,000,000		$ 65,000,000
Undistributed foreign earnings	$ 0		$ 0
Effective tax rate	31.80%	15.40%	0.00%	16.30%
Foreign Tax Authority
Income Taxes [Line Items]
Provision for uncertain tax positions	$ 169,000,000		$ 169,000,000
Foreign Tax Authority | Nutrition & Biosciences, Inc
Income Taxes [Line Items]
Provision for uncertain tax positions	57,000,000		57,000,000
Other Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	133,000,000		133,000,000
Accrued interest and penalties	35,000,000		35,000,000
Other Liabilities | Nutrition & Biosciences, Inc
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	38,000,000		38,000,000
Accrued interest and penalties	19,000,000		19,000,000
Other Current Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	1,000,000		1,000,000
Other Current Liabilities | Maximum
Income Taxes [Line Items]
Accrued interest and penalties	$ 1,000,000		$ 1,000,000

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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