v3.25.4
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:      
Net income $ 4,357 $ 3,407 $ 2,812
Adjustments to reconcile net income to net cash used in operating activities      
Deferred income taxes 41 (2) 30
Depreciation and amortization 61 67 65
Amortization of right-of-use assets 32 29 29
Employee stock plan compensation 118 112 100
Unrealized (gains) losses on other investments, net (76) (12) (14)
(Gain) loss on remeasurement of Tax Receivable Agreement liability 3 10 (7)
Customer bad debt expense 1 15 7
Shares distributed to customers under IBKR Promotions 34 23 12
Non-cash capital contribution 3 0 0
Change in operating assets and liabilities:      
Securities - segregated for regulatory purposes 1,325 7,540 (3,605)
Securities borrowed (6,220) 466 (1,086)
Securities purchased under agreements to resell (542) (1,071) 525
Financial instruments owned, at fair value (3,053) (434) (1,033)
Receivables from customers (26,045) (19,975) (5,719)
Other receivables (3,049) (624) 1,792
Other assets (348) (203) (103)
Securities loaned 8,503 4,901 2,407
Financial instruments sold, but not yet purchased, at fair value 447 100 47
Payable to customers 38,993 14,331 7,817
Other payables 1,226 44 468
Net cash provided by operating activities 15,811 8,724 4,544
Cash flows from investing activities:      
Purchases of other investments (105) (40) (26)
Distributions received and proceeds from sales of other investments 1 45 23
Purchase of property, equipment and intangible assets (67) (49) (49)
Net cash used in investing activities (171) (44) (52)
Cash flows from financing activities:      
Short-term borrowings, net 5 (3) (1)
Dividends paid to stockholders (134) (92) (42)
Distributions to noncontrolling interests (836) (715) (556)
Repurchases of common stock for employee tax withholdings (84) (54) (34)
Proceeds from the sale of treasury stock 95 56 34
Payments made under the Tax Receivable Agreement (15) (25) (25)
Net cash used in financing activities (969) (833) (624)
Effect of exchange rate changes on cash and cash equivalents 391 (207) 122
Net increase in cash, cash equivalents and restricted cash 15,062 7,640 3,990
Cash, cash equivalents and restricted cash at beginning of period 40,233 32,593 28,603
Cash, cash equivalents and restricted cash at end of period 55,295 40,233 32,593
Cash, cash equivalents and restricted cash      
Cash and cash equivalents 4,963 3,633 3,753
Cash segregated for regulatory purposes 50,332 36,600 28,840
Cash, cash equivalents and restricted cash at end of period 55,295 40,233 32,593
Supplemental disclosures of cash flow information      
Cash paid for interest 4,209 4,190 3,317
Total cash taxes paid 316 279 228
Cash paid for amounts included in lease liabilities 42 39 35
Non-cash investing activities:      
Issuance of common stock in exchange of member interests in IBG LLC 254 39 229
Redemption of member interests from IBG Holdings LLC (254) (39) (229)
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC 48 41 33
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC (48) (41) (33)
Non-cash distributions to noncontrolling interests (69) 0 0
Advertising expenses paid by noncontrolling interests $ (3) $ 0 $ 0