Interest Income and Interest Expense - Interest Income and Interest Expense (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Interest income and expense
Deposits with banks	$ 7	$ 18	$ 4	$ 223
Collateralized agreements	(250)	(16)	(431)	518
Trading assets	1,130	1,257	2,323	2,830
Investments	378	321	885	792
Loans	1,295	1,222	2,515	2,538
Other interest	379	232	697	883
Total interest income	2,939	3,034	5,993	7,784
Deposits	316	659	659	1,477
Collateralized financings	25	72	8	520
Trading liabilities	372	272	745	586
Short-term borrowings	160	158	318	299
Long-term borrowings	741	1,131	1,634	2,236
Other interest	(304)	(202)	(482)	409
Total interest expense	1,310	2,090	2,882	5,527
Net interest income	$ 1,629	$ 944	$ 3,111	$ 2,257

Interest expense securities sold under agreements to repurchase and securities loaned.

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- Definition

Interest income derived from the firm's loans receivable.

+ References

No definition available.

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Interest income on investments.

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No definition available.

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- Definition

Fair value portion of assets pertaining to principal and customer trading transactions, or which may be incurred with the objective of generating a profit from short- term fluctuations in price as part of an entity's market-making and hedging in trading cash instruments and derivatives

+ References

No definition available.

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- Definition

The aggregate interest income earned from securities borrowed, securities purchased under agreements to resell and federal funds sold.

+ References

No definition available.

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- Definition

Interest expense on all other items not previously classified.

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No definition available.

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- Definition

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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Aggregate amount of interest expense on all deposits.

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Aggregate amount of interest paid or due on all long-term debt.

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The aggregate interest expense incurred on short-term borrowings including commercial paper, Federal Home Loan Bank and Federal Reserve Bank advances and other short term borrowings.

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- Definition

Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions.

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Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.

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The net amount of operating interest income (expense).

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Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other.

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