v3.26.3
Consolidated Statements Of Changes In Shareholders' Equity - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings (Deficit) [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Total Shareholders' Equity Of MBIA Inc. [Member]
Preferred Stock [Member]
Preferred Stock Of Subsidiary And Noncontrolling Interests [Member]
Total equity balance at Dec. 31, 2024   $ 283 $ 2,492 $ (1,591) $ (128) $ (3,145) $ (2,089)   $ 13
Balance (in common stock shares) at Dec. 31, 2024   283,186,115              
Balance (in treasury stock shares) at Dec. 31, 2024           (232,215,934)      
Balance (in preferred stock shares) at Dec. 31, 2024               1,315  
Share-based compensation     (39)            
Net income (loss) attributable to MBIA Inc.       (126)          
Other comprehensive income (loss) $ 39       39        
Other           $ 35      
Other (in shares)           (480,522)      
Period change             (91)   0
Total equity balance at Sep. 30, 2025 (2,167) $ 283 2,453 (1,717) (89) $ (3,110) (2,180)   13
Balance (in common stock shares) at Sep. 30, 2025   283,186,115              
Balance (in treasury stock shares) at Sep. 30, 2025           (232,696,456)      
Balance (in preferred stock shares) at Sep. 30, 2025               1,315  
Total equity balance at Jun. 30, 2025   $ 283 2,453 (1,709) (96) $ (3,109) (2,178)   13
Balance (in common stock shares) at Jun. 30, 2025   283,186,115              
Balance (in treasury stock shares) at Jun. 30, 2025           (232,698,058)      
Balance (in preferred stock shares) at Jun. 30, 2025               1,315  
Share-based compensation     (0)            
Net income (loss) attributable to MBIA Inc.       (8)          
Other comprehensive income (loss) 7       7        
Other           $ (1)      
Other (in shares)           1,602      
Period change             (2)   0
Total equity balance at Sep. 30, 2025 (2,167) $ 283 2,453 (1,717) (89) $ (3,110) (2,180)   13
Balance (in common stock shares) at Sep. 30, 2025   283,186,115              
Balance (in treasury stock shares) at Sep. 30, 2025           (232,696,456)      
Balance (in preferred stock shares) at Sep. 30, 2025               1,315  
Total equity balance at Dec. 31, 2025 $ (2,230) $ 283 2,450 (1,768) (95) $ (3,107) (2,237)   7
Balance (in common stock shares) at Dec. 31, 2025 283,186,115 283,186,115              
Balance (in treasury stock shares) at Dec. 31, 2025 (232,675,865)         (232,675,865)      
Balance (in preferred stock shares) at Dec. 31, 2025 0             1,315  
Share-based compensation     (34)            
Net income (loss) attributable to MBIA Inc.       (110)          
Other comprehensive income (loss) $ (47)       (47)        
Other           $ 37      
Other (in shares)           507,409      
Period change             (154)   2
Total equity balance at Sep. 30, 2026 $ (2,382) $ 283 2,416 (1,878) (142) $ (3,070) (2,391)   9
Balance (in common stock shares) at Sep. 30, 2026 283,186,115 283,186,115              
Balance (in treasury stock shares) at Sep. 30, 2026 (232,168,456)         (232,168,456)      
Balance (in preferred stock shares) at Sep. 30, 2026 0             1,315  
Total equity balance at Jun. 30, 2026   $ 283 2,416 (1,854) (100) $ (3,071) (2,326)   8
Balance (in common stock shares) at Jun. 30, 2026   283,186,115              
Balance (in treasury stock shares) at Jun. 30, 2026           (232,170,115)      
Balance (in preferred stock shares) at Jun. 30, 2026               1,315  
Share-based compensation     (0)            
Net income (loss) attributable to MBIA Inc.       (24)          
Other comprehensive income (loss) $ (42)       (42)        
Other           $ 1      
Other (in shares)           1,659      
Period change             (65)   1
Total equity balance at Sep. 30, 2026 $ (2,382) $ 283 $ 2,416 $ (1,878) $ (142) $ (3,070) $ (2,391)   $ 9
Balance (in common stock shares) at Sep. 30, 2026 283,186,115 283,186,115              
Balance (in treasury stock shares) at Sep. 30, 2026 (232,168,456)         (232,168,456)      
Balance (in preferred stock shares) at Sep. 30, 2026 0             1,315