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Employee Benefits - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Percentage of matching contribution if compensation percentage below low range		100.00%
Matching participant's contribution, percentage on compensation		6.00%
Retirement liabilities		$ 167	$ 253
Capital in excess of par value related to deferred compensation plan		15	17
Total cash surrender value of life insurance contracts		$ 52	49
Percentage of active employees with pension and or other retirement benefit plans covered		20.00%
Deferred Compensation Plan
Defined Benefit Plan Disclosure [Line Items]
Retirement liabilities		$ 57	52
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Income tax expense (benefit) related to defined benefit plan settlement		46
Pension Plan | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Retirement liabilities		42	44
Settlement gain (loss)		(130)	0	$ 0
Contribution to the plans		6	5
Pension Plan | U.S. Plans | Nonqualified Plan
Defined Benefit Plan Disclosure [Line Items]
Contribution to the plans		6
Pension Plan | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Retirement liabilities		72	161
Lump sum settlement payment	$ 73
Purchase of annuity contracts	$ 366
Settlement gain (loss)		1	8	$ 0
Surplus remaining in trust		36
Contribution to the plans		23	$ 31
Pension Plan | Non-U.S. Plans | International Flavors & Fragrances Inc. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Settlement gain (loss)		(130)
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Contribution to the plans		$ 4

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