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Loans And The Allowance For Credit Losses (Analysis Of The Allowance For Credit Losses By Portfolio Segment) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning of period | $ 1,617 | $ 1,472 | $ 1,576 | $ 1,464 |
Cumulative change in accounting guidance |  |  |  |  | $ (38)
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance |  |  |  |  | 1,426
Provision (credit) for loan losses | 105 | 122 | 267 | 251 |
Loan Losses: |  |  |  |  |
Charge-offs | (123) | (112) | (264) | (217) |
Recoveries | 22 | 31 | 42 | 53 |
Net loan losses | (101) | (81) | (222) | (164) |
Total allowance for loan losses | 1,621 | 1,513 | 1,621 | 1,513 |
Reserve For Unfunded Credit Commitments [Roll Forward] |  |  |  |  |
Reserve for unfunded credit commitments, beginning of year | 114 | 124 | 124 | 118 |
Provision (credit) for unfunded credit losses | (3) | (4) | (13) | 2 |
Reserve for unfunded credit commitments, end of year | 111 | 120 | 111 | 120 |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 1,732 | 1,633 | 1,732 | 1,633 |
Commercial Portfolio Segment [Member] |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning of period | 756 | 693 | 722 | (665) |
Cumulative change in accounting guidance |  |  |  |  | (3)
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance |  |  |  |  | 662
Provision (credit) for loan losses | 31 | 46 | 119 | 116 |
Loan Losses: |  |  |  |  |
Charge-offs | (61) | (52) | (123) | (101) |
Recoveries | 10 | 21 | 18 | 31 |
Net loan losses | (51) | (31) | (105) | (70) |
Total allowance for loan losses | 736 | 708 | 736 | 708 |
Reserve For Unfunded Credit Commitments [Roll Forward] |  |  |  |  |
Reserve for unfunded credit commitments, beginning of year | 87 | 77 | 92 | 72 |
Provision (credit) for unfunded credit losses | (2) | 5 | (7) | 10 |
Reserve for unfunded credit commitments, end of year | 85 | 82 | 85 | 82 |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 821 | 790 | 821 | 790 |
Total Investor Real Estate [Member] |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning of period | 211 | 126 | 192 | (121) |
Cumulative change in accounting guidance |  |  |  |  | (3)
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance |  |  |  |  | 118
Provision (credit) for loan losses | 21 | 25 | 44 | 33 |
Loan Losses: |  |  |  |  |
Charge-offs | 0 | 0 | (5) | 0 |
Recoveries | 1 | 0 | 2 | 0 |
Net loan losses | 1 | 0 | (3) | 0 |
Total allowance for loan losses | 233 | 151 | 233 | 151 |
Reserve For Unfunded Credit Commitments [Roll Forward] |  |  |  |  |
Reserve for unfunded credit commitments, beginning of year | 10 | 27 | 13 | 21 |
Provision (credit) for unfunded credit losses | (2) | (8) | (5) | (2) |
Reserve for unfunded credit commitments, end of year | 8 | 19 | 8 | 19 |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 241 | 170 | 241 | 170 |
Consumer Portfolio Segment [Member] |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning of period | 650 | 653 | 662 | (678) |
Cumulative change in accounting guidance |  |  |  |  | (32)
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance |  |  |  |  | $ 646
Provision (credit) for loan losses | 53 | 51 | 104 | 102 |
Loan Losses: |  |  |  |  |
Charge-offs | (62) | (60) | (136) | (116) |
Recoveries | 11 | 10 | 22 | 22 |
Net loan losses | (51) | (50) | (114) | (94) |
Total allowance for loan losses | 652 | 654 | 652 | 654 |
Reserve For Unfunded Credit Commitments [Roll Forward] |  |  |  |  |
Reserve for unfunded credit commitments, beginning of year | 17 | 20 | 19 | 25 |
Provision (credit) for unfunded credit losses | 1 | (1) | (1) | (6) |
Reserve for unfunded credit commitments, end of year | 18 | 19 | 18 | 19 |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | $ 670 | $ 673 | $ 670 | $ 673 |

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