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Business Divestitures and Assets and Liabilities Held for Sale - Narrative (Details) - USD ($) $ in Millions |  |  |  |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 01, 2024 | Apr. 02, 2024 | Aug. 01, 2023 | May 31, 2023 | Sep. 30, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Dec. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net proceeds received from business disposals |  |  |  |  |  |  |  |  | $ 876 | $ 1,006 |
Impairment of goodwill |  |  |  |  | $ 0 |  | $ 0 |  | 64 | 0 |
Pharma Solutions |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairment of goodwill |  |  |  |  |  |  |  |  | 64 |  |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Cosmetic Ingredients |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from the buyer |  | $ 841 |  |  |  |  |  |  |  |  |
Disposal group, carrying amount of net assets |  | 466 |  |  |  |  |  |  |  |  |
Gain (loss) on disposal |  |  |  |  | 365 |  |  |  | 365 |  |
Tax effect of gain (loss) on divestiture |  |  |  |  |  |  |  | $ (7) |  |  | $ 34
Net proceeds received from business disposals |  | $ 809 |  |  |  |  |  |  |  |  |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Flavors And Essences UK |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Disposal group, carrying amount of net assets |  |  |  |  | 48 |  |  |  | 48 |  |
Gain (loss) on disposal |  |  |  |  | 20 |  |  |  |  |  |
Net proceeds received from business disposals | $ 28 |  |  |  |  |  |  |  |  |  |
Tax (expense) benefit from provision for gain (loss) on disposal |  |  |  |  | 1 |  |  |  |  |  |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Flavor Specialty Ingredients |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on disposal |  |  |  |  |  |  | (10) |  | 7 | (10) |
Net proceeds received from business disposals |  |  | $ 185 |  |  |  |  |  |  |  |
Advance receipt for business to be transferred |  |  | 1 |  |  |  |  |  |  |  |
Amount held in escrow |  |  | 15 |  |  |  |  |  |  |  |
Supply agreement adjustment |  |  | $ 4 |  |  |  |  |  |  |  |
Net working capital adjustment |  |  |  |  |  |  |  |  | (3) |  |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Savory Solutions Business |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on disposal |  |  |  |  |  | $ (3) | $ 10 |  |  | 10 |
Net proceeds received from business disposals |  |  |  | $ 821 |  |  |  |  |  |  |
Receivable from the buyer |  |  |  | $ 37 |  |  |  |  |  |  |
True-up settlement |  |  |  |  |  | 7 |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Cosmetic Ingredients |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Disposal group, carrying amount of net assets |  |  |  |  | 3,114 | $ 506 |  | $ 506 | 3,114 |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Pharma Solutions |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Fair value of sale consideration |  |  |  |  | 2,708 |  |  |  | 2,708 |  |
Assets held-for-sale, fair value disclosure |  |  |  |  | 2,740 |  |  |  | 2,740 |  |
Disposal group, costs to sell |  |  |  |  |  |  |  |  | 32 |  |
Fair value adjustment |  |  |  |  | 22 |  |  |  | 304 |  |
Tax effect of disposal |  |  |  |  | 62 |  |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Savory Solutions, Turkey |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Tax effect of disposal |  |  |  |  | 1 |  |  |  | $ 1 |  |
Provision for loss (gain) on disposal |  |  |  |  | $ 10 |  |  |  |  |  |
Discontinued Operations, Held-for-sale or Disposed of by Sale | Savory Solutions Business | RUSSIAN FEDERATION |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Tax (expense) benefit from provision for gain (loss) on disposal |  |  |  |  |  |  |  |  |  | 2 |
Gain from disposal of discontinued operation |  |  |  |  |  |  |  |  |  | $ 10 |

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