CONSOLIDATED STATEMENT OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 3,063	$ 3,071	$ 9,596	$ 8,625
Cost of goods sold	2,062	1,981	6,314	5,871
Gross profit	1,001	1,090	3,282	2,754
Research and development expenses	145	156	460	463
Selling and administrative expenses	413	436	1,328	1,299
Amortization of acquisition-related intangibles	182	195	552	547
Impairment of goodwill	2,250	0	2,250	0
Impairment of long-lived assets	0	0	120	0
Restructuring and other charges	(4)	6	5	34
Gains on sales of fixed assets	0	(1)	(2)	(1)
Operating (loss) profit	(1,985)	298	(1,431)	412
Interest expense	83	74	232	216
Other income, net	(33)	(26)	(43)	(44)
(Loss) Income before taxes	(2,035)	250	(1,620)	240
Provision for income taxes	160	53	220	53
Net (loss) income	(2,195)	197	(1,840)	187
Net income attributable to noncontrolling interests	2	3	6	7
Net (loss) income attributable to IFF shareholders	$ (2,197)	$ 194	$ (1,846)	$ 180
Net income per share - basic (in dollars per share)	$ (8.60)	$ 0.76	$ (7.22)	$ 0.75
Net income per share - diluted (in dollars per share)	$ (8.60)	$ 0.76	$ (7.22)	$ 0.75
Average number of shares outstanding - basic (in shares)	255	254	255	239
Average number of shares outstanding - diluted (in shares)	255	255	255	239
Dividends declared per share, in dollars per share	$ 0.81	$ 0.79	$ 2.39	$ 2.33
Other comprehensive loss, after tax:
Foreign currency translation adjustments	$ (982)	$ (339)	$ (1,770)	$ (493)
Gains on derivatives qualifying as hedges	0	1	0	7
Pension and postretirement liability adjustment	5	(8)	6	4
Net current period other comprehensive income (loss)	(977)	(346)	(1,764)	(482)
Comprehensive loss	(3,172)	(149)	(3,604)	(295)
Comprehensive loss attributable to IFF shareholders	$ (3,174)	$ (152)	$ (3,610)	$ (302)