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Segment, Geographic and Revenue Information - Trading Revenues by Product Type (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue
Trading revenues	$ 5,020	$ 4,002	$ 14,876	$ 12,985
Interest rate
Disaggregation of Revenue
Trading revenues	1,039	1,450	3,448	4,771
Foreign exchange
Disaggregation of Revenue
Trading revenues	303	352	1,487	893
Equity
Disaggregation of Revenue
Trading revenues	3,225	2,100	9,239	6,726
Commodity and other
Disaggregation of Revenue
Trading revenues	803	451	1,673	1,528
Credit
Disaggregation of Revenue
Trading revenues	$ (350)	$ (351)	$ (971)	$ (933)

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Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.

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