XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.21.2

Goodwill and Other Intangible Assets, Net - Movements in Goodwill (Details) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2021 USD ($)
Goodwill [Roll Forward] |
Balance at December 31, 2020 | $ 5,593.0
Measurement period adjustments | 0.0
Goodwill, Transfers | (499.0)
Foreign exchange | (306.0)
Balance at September 30, 2021 | 16,590.0
Acquisitions | 11,802.0
Goodwill [Line Items] |
Goodwill | 16,590.0
Measurement period adjustments | 0.0
Acquisitions | 11,802.0
Foreign exchange | (306.0)
Goodwill, Transfers | (499.0)
Scent [Member] |
Goodwill [Roll Forward] |
Measurement period adjustments | 257.0
Goodwill [Line Items] |
Measurement period adjustments | 257.0
Taste |
Goodwill [Roll Forward] |
Measurement period adjustments | (985.0)
Goodwill [Line Items] |
Measurement period adjustments | (985.0)
Taste |
Goodwill [Roll Forward] |
Balance at December 31, 2020 | 4,859.0
Goodwill, Transfers | (26.0)
Foreign exchange | (135.0)
Balance at September 30, 2021 | 6,415.0
Acquisitions | 2,702.0
Goodwill [Line Items] |
Goodwill | 6,415.0
Acquisitions | 2,702.0
Foreign exchange | (135.0)
Goodwill, Transfers | (26.0)
Scent [Member] |
Goodwill [Roll Forward] |
Balance at December 31, 2020 | 734.0
Goodwill, Transfers | 0.0
Foreign exchange | (30.0)
Balance at September 30, 2021 | 1,871.0
Acquisitions | 910.0
Goodwill [Line Items] |
Goodwill | 1,871.0
Acquisitions | 910.0
Foreign exchange | (30.0)
Goodwill, Transfers | 0.0
Health & Biosciences |
Goodwill [Roll Forward] |
Balance at December 31, 2020 | 0.0
Goodwill, Transfers | (473.0)
Foreign exchange | (116.0)
Balance at September 30, 2021 | 6,790.0
Acquisitions | 6,651.0
Goodwill [Line Items] |
Goodwill | 6,790.0
Acquisitions | 6,651.0
Foreign exchange | (116.0)
Goodwill, Transfers | (473.0)
Pharma Solutions |
Goodwill [Roll Forward] |
Balance at December 31, 2020 | 0.0
Goodwill, Transfers | 0.0
Foreign exchange | (25.0)
Balance at September 30, 2021 | 1,514.0
Acquisitions | 1,539.0
Goodwill [Line Items] |
Goodwill | 1,514.0
Acquisitions | 1,539.0
Foreign exchange | (25.0)
Goodwill, Transfers | $ 0.0

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- 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. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillTransfers
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ReportingUnitAxis=iff_ScentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReportingUnitAxis=iff_NourishMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=iff_NourishMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=iff_ScentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=iff_HealthBiosciencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=iff_PharmaSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |