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v3.23.3

Allowance For Credit Losses (ModificationsByClassAndSegment) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 380 | $ 703
Term Extension, Percentage | 0.38% | 0.71%
Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 317 | $ 495
Term Extension, Percentage | 0.32% | 0.45%
Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 11 | $ 151
Term Extension, Percentage | 0.01% | 0.15%
Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 4 | $ 9
Term Extension, Percentage | 0.00% | 0.01%
Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 48 | $ 48
Term Extension, Percentage | 0.05% | 0.05%
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 257 | $ 462
Term Extension, Percentage | 0.45% | 0.81%
Commercial Portfolio Segment [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 200 | $ 266
Term Extension, Percentage | 0.35% | 0.47%
Commercial Portfolio Segment [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 9 | $ 148
Term Extension, Percentage | 0.02% | 0.26%
Commercial Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Portfolio Segment [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 48 | $ 48
Term Extension, Percentage | 0.08% | 0.08%
Total Investor Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 91 | $ 153
Term Extension, Percentage | 1.04% | 1.75%
Total Investor Real Estate [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 91 | $ 153
Term Extension, Percentage | 1.04% | 1.75%
Total Investor Real Estate [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Total Investor Real Estate [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Total Investor Real Estate [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 32 | $ 88
Term Extension, Percentage | 0.10% | 0.26%
Consumer Portfolio Segment [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 26 | $ 76
Term Extension, Percentage | 0.08% | 0.23%
Consumer Portfolio Segment [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 3
Term Extension, Percentage | 0.01% | 0.01%
Consumer Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 4 | $ 9
Term Extension, Percentage | 0.01% | 0.03%
Consumer Portfolio Segment [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial And Industrial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 254 | $ 451
Term Extension, Percentage | 0.49% | 0.87%
Commercial And Industrial [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 197 | $ 255
Term Extension, Percentage | 0.38% | 0.49%
Commercial And Industrial [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 9 | $ 148
Term Extension, Percentage | 0.02% | 0.29%
Commercial And Industrial [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial And Industrial [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 48 | $ 48
Term Extension, Percentage | 0.09% | 0.09%
Commercial Real Estate Mortgage - Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 3 | $ 9
Term Extension, Percentage | 0.06% | 0.18%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 3 | $ 9
Term Extension, Percentage | 0.06% | 0.18%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Real Estate Construction - Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount |  | $ 2
Term Extension, Percentage |  | 0.86%
Commercial Real Estate Construction - Owner-Occupied [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount |  | $ 2
Term Extension, Percentage |  | 0.71%
Commercial Real Estate Construction - Owner-Occupied [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount |  | $ 0
Term Extension, Percentage |  | 0.00%
Commercial Real Estate Construction - Owner-Occupied [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount |  | $ 0
Term Extension, Percentage |  | 0.00%
Commercial Real Estate Construction - Owner-Occupied [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount |  | $ 0
Term Extension, Percentage |  | 0.00%
Commercial investor real estate mortgage [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 89 | $ 151
Term Extension, Percentage | 1.39% | 2.35%
Commercial investor real estate mortgage [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 89 | $ 151
Term Extension, Percentage | 1.39% | 2.35%
Commercial investor real estate mortgage [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial investor real estate mortgage [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial investor real estate mortgage [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Investor Real Estate Construction [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 2
Term Extension, Percentage | 0.08% | 0.08%
Commercial Investor Real Estate Construction [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 2
Term Extension, Percentage | 0.08% | 0.08%
Commercial Investor Real Estate Construction [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Investor Real Estate Construction [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Commercial Investor Real Estate Construction [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Residential First Mortgage [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 28 | $ 78
Term Extension, Percentage | 0.14% | 0.39%
Residential First Mortgage [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 25 | $ 72
Term Extension, Percentage | 0.12% | 0.36%
Residential First Mortgage [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 3
Term Extension, Percentage | 0.01% | 0.01%
Residential First Mortgage [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 1 | $ 3
Term Extension, Percentage | 0.01% | 0.02%
Residential First Mortgage [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Home Equity Lines of Credit[Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 3
Term Extension, Percentage | 0.05% | 0.10%
Home Equity Lines of Credit[Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 1
Term Extension, Percentage | 0.00% | 0.02%
Home Equity Lines of Credit[Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Home Equity Lines of Credit[Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 2
Term Extension, Percentage | 0.04% | 0.08%
Home Equity Lines of Credit[Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Home Equity Loan [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 2 | $ 7
Term Extension, Percentage | 0.09% | 0.29%
Home Equity Loan [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 1 | $ 3
Term Extension, Percentage | 0.04% | 0.13%
Home Equity Loan [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%
Home Equity Loan [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 1 | $ 4
Term Extension, Percentage | 0.05% | 0.15%
Home Equity Loan [Member] | Extended Maturity and Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Term extension, amount | $ 0 | $ 0
Term Extension, Percentage | 0.00% | 0.00%

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