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Commitments and Contingencies - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 11, 2020 | Oct. 29, 2019 | Sep. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2017 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jul. 28, 2021 | Aug. 25, 2020
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commercial Guarantees, Amount Outstanding |  |  |  |  |  |  | $ 98,000,000 |  |  |  |
Available lines of credit |  |  |  |  |  |  | 1,398,000,000 |  |  |  |
Bank guarantees and pledged assets to pursue defenses related to other contingencies |  |  |  |  |  |  | 19,000,000 |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 4,368,000,000 | $ 1,458,000,000 |  |  |
Bank Guarantees and Standby Letters of Credit, Amount Outstanding |  |  |  |  |  |  | 28,000,000 |  |  |  |
Lines of Credit Facility, Current Borrowing Amount/Total Amount Drawn Down |  |  |  |  |  |  | 334,000,000 |  |  |  |
Commercial Paper |  |  |  |  |  |  | 324,000,000 | 0 |  |  |
Revolving Loan Facility [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000
Revolving Loan Facility [Member] | Citibank, N.A [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  | 1,025,000,000.000 |  |  | $ 2,000,000,000 |
Chief Executive Officer [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense | $ 20,000,000 | $ 20,000,000 |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Estimated maximum future costs of environmental liabilities for identified sites (less than $5 million) |  |  |  |  |  |  | 0 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Estimated maximum future costs of environmental liabilities for identified sites (less than $5 million) |  |  |  |  |  |  | 42,000,000 |  |  |  |
Hangzhou, China [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Land Held-for-use |  |  |  |  | $ 4,000,000 |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 67,000,000 |  |  |  |
CHINA |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 259,000,000 | 172,000,000 |  |  |
Manufacturing Facility [Member] | CHINA |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 279,000,000 |  |  |  |
Pledged assets [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
The amount of pledged assets, principally PP&E to cover income tax and indirect tax assessments |  |  |  |  |  |  | 7,000,000 |  |  |  |
Bank guarantees [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Bank guarantees related to appeals on income tax and indirect tax cases |  |  |  |  |  |  | 12,000,000 |  |  |  |
Bank Guarantees, Commercial Guarantees, Standby Letters Of Credit and Surety Bonds |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Bank Guarantees, Commercial Guarantees, Letters Of Credit and Surety Bonds, Facility Amounts |  |  |  |  |  |  | 392,000,000 |  |  |  |
Pharma Solutions |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Current accrual |  |  |  |  |  |  | 40,000,000 |  |  |  |
Current associated costs |  |  |  |  |  |  | 21,000,000 |  |  |  |
BRAZIL | Foreign Tax Authority [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Income Tax Refunds |  |  |  | $ 4,000,000 | $ 8,000,000 |  |  |  |  |  |
BRAZIL | Foreign Tax Authority [Member] | BRAZIL |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Income Tax Refunds |  |  |  |  |  |  |  | $ 3,000,000 |  |  |
Zhejiang Ingredients Plant [Member] | Zhejiang, China [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain Contingency, Relocation Payments Received |  |  | $ 13,000,000 |  |  |  |  |  | $ 30,000,000 |  |
Gain Contingency, Expected Relocation Payments |  |  |  |  |  | $ 50,000,000 |  |  |  |  |
Guangzhou Flavors Plant [Member] | Guangzhou, China [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 60,000,000 |  |  |  |
Guangzhou Fragrance Plant [Member] | Guangzhou, China [Member] |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | $ 8,000,000 |  |  |  |

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