v3.26.1
Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Total Stockholders' Equity [Member]
Non-controlling Interests [Member]
Balance at Dec. 31, 2024 $ 16,597 $ 1 $ 1,816 $ (7) $ 2,515 $ 45 $ 4,280 $ 12,317
Balance (in shares) at Dec. 31, 2024   436,244,236            
Issuance of common stock - IBKR Promotions 0   3 (10)     (7) 7
Issuance of common stock - IBKR Promotions, shares   200,000            
Net distribution of common stocks - IBKR Promotion 7     6     6 1
Compensation for stock grants vesting in the future 31   8       8 23
Dividends paid to stockholders (27)       (27)   (27)  
Distributions from IBG LLC to noncontrolling interests (196)             (196)
Adjustments for changes in proportionate ownership in IBG LLC     1       1 (1)
Comprehensive income 1,071       213 28 241 830
Balance at Mar. 31, 2025 17,483 $ 1 1,828 (11) 2,701 (17) 4,502 12,981
Balance (in shares) at Mar. 31, 2025   436,444,236            
Balance at Dec. 31, 2025 20,472 $ 1 1,957 (16) 3,365 56 5,363 15,109
Balance (in shares) at Dec. 31, 2025   446,130,605            
Common stock distributed pursuant to stock incentive plans, Shares   3,501            
Net distribution of common stocks - IBKR Promotion 4     4     4  
Compensation for stock grants vesting in the future 33   8       8 25
Dividends paid to stockholders (36)       (36)   (36)  
Distributions from IBG LLC to noncontrolling interests (305)             (305)
Comprehensive income 1,092       267 (21) 246 846
Balance at Mar. 31, 2026 $ 21,260 $ 1 $ 1,965 $ (12) $ 3,596 $ 35 $ 5,585 $ 15,675
Balance (in shares) at Mar. 31, 2026   446,134,106