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v3.23.1

Allowance For Credit Losses (Loans by Class Modified byTDRs) (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($) obligor
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 439
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 104
Increase in Allowance at Modification | $ 4
Commercial Portfolio Segment [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 13
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 39
Increase in Allowance at Modification | $ 0
Total Investor Real Estate [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 1
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 8
Increase in Allowance at Modification | $ 0
Consumer Portfolio Segment [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 425
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 57
Increase in Allowance at Modification | $ 4
Commercial And Industrial [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 10
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 37
Increase in Allowance at Modification | $ 0
Commercial Real Estate Mortgage - Owner-Occupied [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 3
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 2
Increase in Allowance at Modification | $ 0
Commercial Real Estate Construction - Owner-Occupied [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 0
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0
Increase in Allowance at Modification | $ 0
Commercial investor real estate mortgage [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 1
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 8
Increase in Allowance at Modification | $ 0
Commercial Investor Real Estate Construction [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 0
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0
Increase in Allowance at Modification | $ 0
Residential First Mortgage [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 357
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 52
Increase in Allowance at Modification | $ 3
Home Equity Lines of Credit[Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 22
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 2
Increase in Allowance at Modification | $ 1
Home Equity Loan [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 42
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 3
Increase in Allowance at Modification | $ 0
Consumer Credit Card Financing Receivable [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 2
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0
Increase in Allowance at Modification | $ 0
Other consumer- exit portfolios |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 0
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0
Increase in Allowance at Modification | $ 0
Other Consumer [Member] |
Financing Receivable, Modifications [Line Items] |
Number of Obligors | obligor | 2
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0
Increase in Allowance at Modification | $ 0

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- Definition Amount of other addition (reduction) in allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
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