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Loans And The Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Financing receivable no allowance | $ 119 | $ 280 |  |
Defaulted during period as modification to troubled borrower, twelve months prior to modification | 257 | 116 |  |
Loans, net of unearned income | 96,727 | 98,379 |  |
Provision for loan losses | 495 | 547 | $ 248 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff | (561) | (490) | (375) |
Recoveries | 103 | 93 | 112 |
Net loan losses | (458) | (397) | (263) |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 1,613 | 1,576 | 1,464 | $ 1,479
Consumer Unsecured Loans sold in period |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Financing Receivables, book balance sold in period |  | (284) | (1,200) |
Financing Receivables, Allowance for Credit loss, writeoff on loans sold |  | 35 |  |
Allowance for loan losses, related to loans sold prior to sale |  | 27 | 94 |
Loss on sale of loans recorded through provision expense |  | 8 |  |
Financing Receiable, Allowance for Credit loss, writeoff on loans sold |  |  | 63 |
Allowance for Loan and Lease Losses, Loans Sold |  |  | 31 |
Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | 54,845 | 56,033 |  |
Provision for loan losses | 222 | 205 | 40 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff | (261) | (197) | (107) |
Recoveries | 60 | 52 | 50 |
Net loan losses | (201) | (145) | (57) |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 743 | 722 | 665 | 682
Commercial | Extended Maturity |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated | 71 | 106 |  |
Investor Real Estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | 8,710 | 8,850 |  |
Provision for loan losses | 87 | 74 | 45 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff | (42) | 0 | (5) |
Recoveries | 3 | 0 | 2 |
Net loan losses | (39) | 0 | (3) |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 240 | 192 | 121 | 79
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | 33,172 | 33,496 |  |
Provision for loan losses | 186 | 268 | 163 |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff | (258) | (293) | (263) |
Recoveries | 40 | 41 | 60 |
Net loan losses | (218) | (252) | (203) |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 630 | 662 | $ 678 | $ 718
Collateral Dependent Member | Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | 264 | 220 |  |
Collateral Dependent Member | Investor Real Estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | 323 | 92 |  |
Collateral Dependent Member | Consumer | residential real estate and home equity loan and lines |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | $ 115 | $ 93 |  |

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