v2.4.0.6
Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Cash flows from operating activities:    
Net income $ 75,288 $ 140,943
Adjustments to reconcile net income to net cash provided by operating activities:    
Translation losses (gains) 814 (11,111)
Deferred income taxes 9,759 1,791
Depreciation and amortization 4,969 5,193
Employee stock plan compensation 8,470 20,579
Losses on other investments, net 133 1,009
Bad debt expense and other 454 17
Change in operating assets and liabilities:    
Increase in cash and securities - segregated for regulatory purposes (22,588) (958,810)
Increase in securities borrowed (909,814) (419,838)
(Increase) decrease in securities purchased under agreements to resell (33,042) 10,125
(Increase) decrease in financial instruments owned (123,780) 184,646
Increase in receivables from customers (1,333,077) (1,436,050)
Decrease in other receivables 28,323 207,718
Increase in other assets (8,196) (2,806)
Increase (decrease) in financial instruments sold but not yet purchased 76,519 (471,665)
Increase in securities loaned 358,227 383,369
Increase in payable to customers 1,638,930 2,195,191
(Decrease) increase in other payables (67,693) 95,769
Net cash used in operating activities (296,304) (53,930)
Cash flows from investing activities:    
Purchases of other investments (67,482) (64,705)
Proceeds from sales of other investments 67,234 57,828
Distribution received from equity investment 11,054 1,567
Purchase of property and equipment (3,702) (5,176)
Net cash provided by (used in) investing activities 7,104 (10,486)
Cash flows from financing activities:    
Dividends paid to common shareholders (4,750) (4,557)
Dividends paid to noncontrolling interests (35,137) (34,993)
Redemptions of senior notes 0 (71,173)
(Decrease) increase in short-term borrowings, net (90,036) 7,615
Net cash used in financing activities (129,923) (103,108)
Effect of exchange rate changes on cash and cash equivalents (10,601) 23,428
Net decrease in cash and cash equivalents (429,724) (144,096)
Cash and cash equivalents at beginning of period 1,614,592 1,695,495
Cash and cash equivalents at end of period 1,184,868 1,551,399
Supplemental disclosures of cash flow information:    
Cash paid for interest 14,460 18,585
Cash paid for taxes 20,628 6,239
Non-cash financing activities:    
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC (125) (38)
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC 125 38
Changes in redemption value of redeemable noncontrolling interests 0 726,601
Changes to total equity (deficit) for the change in the redemption value of redeemable noncontrolling interests $ 0 $ (726,601)