Capital Ratios (Narrative) (Details) $ in Billions	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2021
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital Ratios, Basel III, Capital Conservation Buffer, Year Three	2.50%
Community Bank Leverage Ratio, Minimum		9.00%
Consolidated asset limit on small bank holding companies	$ 3
Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio	0.065
Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio	0.08
Tier 1 Leverage Ratio: Well Capitalized Minimum: Ratio	0.05
Total Risk-based Capital Ratio: Well Capitalized Minimum: Ratio	0.10
Capital ratios, capital conservation buffer	7.61%