| Component: (Network and Table) | |
|---|---|
| Network | 2401403 - Disclosure - Nature of Operations and Summary of Significant Accounting Policies - Schedule of Inventory (Detail) (http://www.iff.com/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesScheduleOfInventoryDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000051253 (http://www.sec.gov/CIK) |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
Raw materials | ||
Work in process | ||
Finished goods | ||
Total | 592,017,000 | 572,047,000 |