Deposits and Borrowings - Deposits and Short-term Borrowings (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Deposits [Abstract]
Non-interest-bearing deposits	$ 37,004	$ 38,043
Interest-bearing deposits	270,881	272,937
Total deposits	307,885	310,980	$ 306,308
Short-term borrowings
Short-term borrowings	440	820
Time deposits, at or above FDIC insurance limit	2,100	1,800
Federal funds purchased and securities loaned or sold under agreements to repurchase
Short-term borrowings
Short-term borrowings	$ 440	$ 820

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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The aggregate of all domestic and foreign interest-bearing deposit liabilities.

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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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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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Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

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