CONSOLIDATED STATEMENT OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 2,899	$ 3,027
Cost of goods sold	1,875	2,063
Gross profit	1,024	964
Research and development expenses	166	161
Selling and administrative expenses	490	454
Amortization of acquisition-related intangibles	168	171
Restructuring and other charges	3	52
Gain (Loss) on Disposition of Assets	2	5
Operating profit	199	131
Interest expense	83	100
Other expense, net	1	17
Income before taxes	115	14
Provision for income taxes	54	22
Net income (loss)	61	(8)
Net income attributable to non-controlling interests	1	1
Net income (loss) attributable to IFF shareholders	$ 60	$ (9)
Net income per share - basic (in dollars per share)	$ 0.23	$ (0.04)
Net income per share - diluted (in dollars per share)	$ 0.23	$ (0.04)
Average number of shares outstanding - basic (in shares)	255	255
Average number of shares outstanding - diluted (in shares)	256	255
Other comprehensive (loss) income, after tax:
Foreign currency translation adjustments	$ (293)	$ 284
Gains (losses) on derivatives qualifying as hedges; net of tax	(7)	0
Pension and postretirement liability adjustment	5	(2)
Net current period other comprehensive income (loss)	(295)	282
Comprehensive (loss) income	(234)	274
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	1	1
Comprehensive (loss) income attributable to IFF shareholders	$ (235)	$ 273