Regulatory Matters (Narrative) (Details) $ in Billions	12 Months Ended
Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital conservation buffer	0.025	0.025
Maximum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Assets not subject to consolidated capital requirements	$ 3	$ 3

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.

No definition available.

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