Business Segments - Total Net Revenues and Pre-Tax Earnings By Geographic Region (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Total net revenues	$ 20,338	$ 14,583	$ 37,565	$ 29,645
Percentage of total net revenues	100.00%	100.00%	100.00%	100.00%
Total pre-tax earnings	$ 8,563	$ 4,958	$ 15,049	$ 10,605
Percentage of total pre-tax earnings	100.00%	100.00%	100.00%	100.00%
Americas
Segment Reporting [Line Items]
Total net revenues	$ 12,222	$ 8,982	$ 22,638	$ 18,848
Percentage of total net revenues	60.00%	62.00%	60.00%	63.00%
Total pre-tax earnings	$ 5,310	$ 2,944	$ 9,429	$ 6,669
Percentage of total pre-tax earnings	62.00%	59.00%	63.00%	63.00%
EMEA
Segment Reporting [Line Items]
Total net revenues	$ 4,502	$ 3,811	$ 8,269	$ 7,302
Percentage of total net revenues	22.00%	26.00%	22.00%	25.00%
Total pre-tax earnings	$ 2,089	$ 1,509	$ 3,553	$ 2,973
Percentage of total pre-tax earnings	24.00%	31.00%	23.00%	28.00%
Asia
Segment Reporting [Line Items]
Total net revenues	$ 3,614	$ 1,790	$ 6,658	$ 3,495
Percentage of total net revenues	18.00%	12.00%	18.00%	12.00%
Total pre-tax earnings	$ 1,164	$ 505	$ 2,067	$ 963
Percentage of total pre-tax earnings	14.00%	10.00%	14.00%	9.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income after deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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