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v3.21.1

Restructuring and Other Charges, Net - Additional Information (Detail) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 USD ($) Facility | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) Facility | Dec. 31, 2019 Position
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of facilities closed | Facility |  |  | 21 |
Restructuring Charges | $ 4 | $ 5 |  |
Severance Costs | (3) | $ 0 |  |
Restructuring Reserve | 22 |  | $ 14 |
Additional Charges (Reversals), Net | $ 4 |  |  |
Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected number of sites closed | Facility | 35 |  |  |
Employee Severance |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | $ 4 |  |  |
Restructuring Reserve | 6 |  | 2 |
Additional Charges (Reversals), Net | $ 4 |  |  |
Employee Severance | Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of facilities closed | Facility | 22 |  |  |
Restructuring Charges | $ 27 |  |  |
Payments for restructuring | 60 |  |  |
Restructuring Reserve | 3 |  | 3 |
Additional Charges (Reversals), Net | 0 |  |  |
Employee Severance | 2019 Severance Initiatives |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 21 |  |  |
Number of positions expected to be eliminated | Position |  |  |  | 190
Restructuring Reserve | 6 |  | $ 6 |
Additional Charges (Reversals), Net | $ 0 |  |  |
North America | Frutarom Integration Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of facilities closed | Facility | 1 |  |  |

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