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Acquisitions - Pending Transaction with Nutrition & Biosciences, Inc (Details)
Dec. 15, 2019
USD ($)
$ / shares
Nutrition & Biosciences, Inc [Member]  
Business Acquisition [Line Items]  
Business acquisition share price | $ / shares $ 0.125
Cash paid to acquire business $ 7,300,000,000
DuPont de Nemours, Inc [Member] | Nutrition & Biosciences, Inc [Member] | International Flavors & Fragrances Inc [Member]  
Business Acquisition [Line Items]  
Percentage of voting interest acquired 55.40%
Senior Unsecured Bridge Term Loan [Member] | Unsecured Debt [Member] | Nutrition & Biosciences, Inc [Member]  
Business Acquisition [Line Items]  
Debt, face amount $ 7,500,000,000
Senior Unsecured Term Loan Facilities [Member] | Unsecured Debt [Member] | Nutrition & Biosciences, Inc [Member]  
Business Acquisition [Line Items]  
Debt, face amount 1,250,000,000
Three Hundred Sixty Four Day Senior Unsecured Bridge Facility [Member] | Unsecured Debt [Member] | Nutrition & Biosciences, Inc [Member]  
Business Acquisition [Line Items]  
Debt, face amount $ 6,250,000,000