Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Commissions	$ 516	$ 406	$ 1,030	$ 785
Other fees and services	62	68	140	127
Other income (loss)	42	(36)	107	(18)
Total non-interest income	620	438	1,277	894
Interest income	1,891	1,828	3,609	3,588
Interest expense	(1,031)	(1,036)	(1,979)	(2,049)
Total net interest income	860	792	1,630	1,539
Total net revenues	1,480	1,230	2,907	2,433
Non-interest expenses:
Execution, clearing and distribution fees	116	115	237	216
Employee compensation and benefits	163	146	317	291
Occupancy, depreciation and amortization	24	25	48	51
Communications	11	10	21	20
General and administrative	61	52	123	102
Customer bad debt	1	2	2	7
Total non-interest expenses	376	350	748	687
Income before income taxes	1,104	880	2,159	1,746
Income tax expense	98	71	189	142
Net income	1,006	809	1,970	1,604
Less net income attributable to noncontrolling interests	782	630	1,533	1,250
Net income available for common stockholders	$ 224	$ 179	$ 437	$ 354
Earnings per share:
Basic	$ 0.51	$ 0.42	$ 1.00	$ 0.82
Diluted	$ 0.51	$ 0.41	$ 0.99	$ 0.82
Weighted average common shares outstanding:
Weighted Average Number of Shares Outstanding, Basic	438,457,863	430,876,080	437,083,330	429,579,700
Weighted Average Number of Shares Outstanding, Diluted	441,439,924	434,507,344	440,459,081	433,552,552
Comprehensive income:
Net income available for common stockholders	$ 224	$ 179	$ 437	$ 354
Other comprehensive income:
Cumulative translation adjustment, before income taxes	79	(2)	107	(28)
Income taxes related to items of other comprehensive income
Other comprehensive income (loss), net of tax	79	(2)	107	(28)
Comprehensive income available for common stockholders	303	177	544	326
Comprehensive income attributable to noncontrolling interests:
Net income attributable to noncontrolling interests	782	630	1,533	1,250
Other comprehensive income - cumulative translation adjustment	227	(8)	306	(84)
Comprehensive income attributable to noncontrolling interests	$ 1,009	$ 622	$ 1,839	$ 1,166