v3.26.1
Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Millions
Total
Common Stock, Net of Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total Cabot Corporation Stockholders' Equity [Member]
Noncontrolling Interests [Member]
Beginning Balance at Sep. 30, 2024 $ 1,590 $ 51   $ 1,734 $ (360) $ 1,425 $ 165
Beginning Balance, Shares at Sep. 30, 2024   54,297          
Net income (loss) 104     93   93 11
Total other comprehensive income (loss), net of tax (104)       (97) (97) (7)
Cash dividends paid on common stock (24)     (24)   (24)  
Cash dividends declared to noncontrolling interests (20)           (20)
Issuance of stock under equity compensation plans 2   $ 2     2  
Issuance of stock under equity compensation plans, Shares   308          
Share-based compensation 8   8     8  
Purchase and retirement of common stock (41)   (10) (31)   (41)  
Purchase and retirement of common stock, Shares   (390)          
Ending Balance at Dec. 31, 2024 1,515 $ 51   1,772 (457) 1,366 149
Ending Balance, Shares at Dec. 31, 2024   54,215          
Beginning Balance at Sep. 30, 2024 1,590 $ 51   1,734 (360) 1,425 165
Beginning Balance, Shares at Sep. 30, 2024   54,297          
Net income (loss) 322            
Total other comprehensive income (loss), net of tax 5            
Ending Balance at Jun. 30, 2025 1,683 $ 50   1,846 (355) 1,541 142
Ending Balance, Shares at Jun. 30, 2025   53,203          
Beginning Balance at Dec. 31, 2024 1,515 $ 51   1,772 (457) 1,366 149
Beginning Balance, Shares at Dec. 31, 2024   54,215          
Net income (loss) 105     94   94 11
Total other comprehensive income (loss), net of tax 33       30 30 3
Cash dividends paid on common stock (23)     (23)   (23)  
Issuance of stock under equity compensation plans, Shares   16          
Share-based compensation 6   6     6  
Purchase and retirement of common stock (46)   (6) (40)   (46)  
Purchase and retirement of common stock, Shares   (530)          
Ending Balance at Mar. 31, 2025 1,590 $ 51   1,803 (427) 1,427 163
Ending Balance, Shares at Mar. 31, 2025   53,701          
Net income (loss) 113     101   101 12
Total other comprehensive income (loss), net of tax 76       72 72 4
Cash dividends paid on common stock (24)     (24)   (24)  
Cash dividends declared to noncontrolling interests (37)           (37)
Issuance of stock under equity compensation plans, Shares   38          
Share-based compensation 5   5     5  
Purchase and retirement of common stock (40) $ (1) (5) (34)   (40)  
Purchase and retirement of common stock, Shares   (536)          
Ending Balance at Jun. 30, 2025 1,683 $ 50   1,846 (355) 1,541 142
Ending Balance, Shares at Jun. 30, 2025   53,203          
Beginning Balance at Sep. 30, 2025 1,705 $ 50   1,835 (335) 1,550 155
Beginning Balance, Shares at Sep. 30, 2025   52,842          
Net income (loss) 82     73   73 9
Total other comprehensive income (loss), net of tax 28       25 25 3
Cash dividends paid on common stock (24)     (24)   (24)  
Cash dividends declared to noncontrolling interests (13)           (13)
Issuance of stock under equity compensation plans, Shares   170          
Share-based compensation 3   3     3  
Purchase and retirement of common stock (52) $ (1) (3) (48)   (52)  
Purchase and retirement of common stock, Shares   (796)          
Ending Balance at Dec. 31, 2025 1,729 $ 49   1,836 (310) 1,575 154
Ending Balance, Shares at Dec. 31, 2025   52,216          
Beginning Balance at Sep. 30, 2025 1,705 $ 50   1,835 (335) 1,550 155
Beginning Balance, Shares at Sep. 30, 2025   52,842          
Net income (loss) 174            
Total other comprehensive income (loss), net of tax 73            
Ending Balance at Jun. 30, 2026 1,734 $ 49   1,823 (267) 1,605 129
Ending Balance, Shares at Jun. 30, 2026   51,631          
Beginning Balance at Dec. 31, 2025 1,729 $ 49   1,836 (310) 1,575 154
Beginning Balance, Shares at Dec. 31, 2025   52,216          
Net income (loss) 78     68   68 10
Total other comprehensive income (loss), net of tax (6)       (6) (6)  
Cash dividends paid on common stock (24)     (24)   (24)  
Cash dividends declared to noncontrolling interests (45)           (45)
Issuance of stock under equity compensation plans, Shares   15          
Share-based compensation 4   4     4  
Purchase and retirement of common stock (49)   (4) (45)   (49)  
Purchase and retirement of common stock, Shares   (651)          
Ending Balance at Mar. 31, 2026 1,687 $ 49   1,835 (316) 1,568 119
Ending Balance, Shares at Mar. 31, 2026   51,580          
Net income (loss) 14     6   6 8
Total other comprehensive income (loss), net of tax 51       49 49 2
Cash dividends paid on common stock (24)     (24)   (24)  
Issuance of stock under equity compensation plans, Shares   53          
Share-based compensation 6   6     6  
Purchase and retirement of common stock     $ (6) 6      
Purchase and retirement of common stock, Shares   (2)          
Ending Balance at Jun. 30, 2026 $ 1,734 $ 49   $ 1,823 $ (267) $ 1,605 $ 129
Ending Balance, Shares at Jun. 30, 2026   51,631