v3.26.3
Net Income Per Share - Reconciliation of Shares Used in Computation of Basic and Diluted Net Income Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net (loss) income from continuing operations $ (127) $ 99 $ 61 $ 717
Net income (loss) from discontinued operations, net of tax 72 (58) 105 (1,094)
Net (loss) income (55) 41 166 (377)
Net income attributable to non-controlling interests from continuing operations 0 0 1 1
Net income attributable to non-controlling interests from discontinued operations 0 1 1 1
Net (loss) income attributable to IFF shareholders $ (55) $ 40 $ 164 $ (379)
Weighted average common shares outstanding (basic) (in shares) 253 256 254 255
Adjustment for assumed dilution (in shares) 0 1 1 1
Weighted average shares assuming dilution (diluted) (in shares) 253 257 255 256
Continuing operations (in dollars per share) $ (0.50) $ 0.39 $ 0.24 $ 2.81
Discontinued operations (in dollars per share) 0.28 (0.23) 0.41 (4.29)
Net income (loss) per share - basic (in dollars per share) (0.22) 0.16 0.65 (1.48)
Continuing operations (in dollars per share) (0.50) 0.39 0.23 2.80
Discontinued operations (in dollars per share) 0.28 (0.23) 0.41 (4.28)
Net income (loss) per share - diluted (in dollars per share) $ (0.22) $ 0.16 $ 0.64 $ (1.48)
Cash and cash equivalents included in Current assets of discontinued operations        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net income (loss) from discontinued operations, net of tax $ 72 $ (58) $ 105 $ (1,094)