Variable Interest Entities - Programs Under Proportional Amortization Method (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Programs for which the Firm elected proportional amortization:
Carrying value	$ 30,498	$ 13,419	$ 30,498	$ 13,419	$ 14,600
Tax credits and other tax benefits	1,521	495	2,787	946
Investments that qualify to be accounted for using proportional amortization:
Amortization losses recognized as a component of income tax expense	(1,135)	(389)	(2,151)	(744)
Non-income-tax-related gains and other returns received that are recognized outside of income tax expense	$ 20	$ 0	$ 68	$ 0

Investment Program, Proportional Amortization Method, Elected

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Investment, Proportional Amortization Method, Elected

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Amount, before amortization expense, of income tax credit and other tax benefit generated by investment under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method.

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Amount of investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method.

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Amount of amortization expense for investment that generates income tax credit and other income tax benefit under tax credit program accounted for using proportional amortization method.

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Amount of income (loss) from non-income-tax-related activity and other return on investment under tax credit program accounted for using proportional amortization method, not recognized in income tax expense (benefit).

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