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Litigation and Environmental - Additional Information (Detail) $ in Millions			12 Months Ended
	Mar. 29, 2016 Case	May 31, 2012 Case Plaintiff Person	Dec. 31, 2020 USD ($) Case Plaintiff Person
United States Lawsuits
Loss Contingencies [Line Items]
Number of lawsuits			4
U.S State District Court Chavez
Loss Contingencies [Line Items]
Number of claimants | Person		230
U.S State District Court Marquinez
Loss Contingencies [Line Items]
Number of claimants | Person		2,700
Number of Lawsuits Filed		2
U.S. State District Court Abad Castillo | Hendler Law Firm
Loss Contingencies [Line Items]
Number of plaintiffs required to be dismissed | Plaintiff		22
Number of plaintiffs dismissed		14
Superior Court Marquinez
Loss Contingencies [Line Items]
Number of Lawsuits Filed		57
Chaverri
Loss Contingencies [Line Items]
Number of claimants | Person			258
Harold Reed v. AMVAC et al.
Loss Contingencies [Line Items]
Number of lawsuits filed	2
Nicaraguan
Loss Contingencies [Line Items]
Number of claimants | Plaintiff			3,592
Nicaraguan | Special Law
Loss Contingencies [Line Items]
Number of lawsuits filed			2
Number of claimants | Plaintiff			287
Nicaraguan | Public Law
Loss Contingencies [Line Items]
Number of lawsuits filed			85
Nicaraguan | Compensatory Damages
Loss Contingencies [Line Items]
Value of claims paid | $			$ 1
Nicaraguan | Punitive Damages
Loss Contingencies [Line Items]
Value of claims paid | $			$ 5

X

- Definition

Claims paid.

+ References

No definition available.

+ Details

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- Definition

Loss contingency appeal for dismiss number.

+ References

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- Definition

Number of lawsuits.

+ References

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- Definition

Number of lawsuits appealed.

+ References

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- Definition

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+ References

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- Definition

Number of claims dismissed.

+ References

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

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- Definition

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

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