Securities - Equity securities that are not classified as trading (Details) - Other assets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Equity securities carried at fair value	$ 270	$ 267
Equity securities without readily determinable fair values	$ 13	$ 15

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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+ Details