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Allowance For Credit Losses (Analysis Of The Allowance For Credit Losses By Portfolio Segment) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward] |  |
Allowance for loan losses, beginning of period | $ 1,464 | $ 1,479
Cumulative change in accounting guidance | (38) |
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance | 1,426 |
Provision (credit) for loan losses | 129 | (17)
Loan Losses: |  |
Charge-offs | (105) | (77)
Recoveries | 22 | 31
Net loan losses | (83) | (46)
Total allowance for loan losses | 1,472 | 1,416
Reserve For Unfunded Credit Commitments [Roll Forward] |  |
Reserve for unfunded credit commitments, beginning of year | 118 | 95
Provision (credit) for unfunded credit losses | 6 | (19)
Reserve for unfunded credit commitments, end of year | 124 | 76
Allowance for Credit Losses, end of period | 1,596 | 1,492
Commercial Portfolio Segment [Member] |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Allowance for loan losses, beginning of period | 665 | 682
Cumulative change in accounting guidance | (3) |
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance | 662 |
Provision (credit) for loan losses | 70 | (49)
Loan Losses: |  |
Charge-offs | (49) | (26)
Recoveries | 10 | 13
Net loan losses | (39) | (13)
Total allowance for loan losses | 693 | 620
Reserve For Unfunded Credit Commitments [Roll Forward] |  |
Reserve for unfunded credit commitments, beginning of year | 72 | 58
Provision (credit) for unfunded credit losses | 5 | (6)
Reserve for unfunded credit commitments, end of year | 77 | 52
Allowance for Credit Losses, end of period | 770 | 672
Total Investor Real Estate [Member] |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Allowance for loan losses, beginning of period | 121 | 79
Cumulative change in accounting guidance | (3) |
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance | 118 |
Provision (credit) for loan losses | 8 | (4)
Loan Losses: |  |
Charge-offs | 0 | 0
Recoveries | 0 | 0
Net loan losses | 0 | 0
Total allowance for loan losses | 126 | 75
Reserve For Unfunded Credit Commitments [Roll Forward] |  |
Reserve for unfunded credit commitments, beginning of year | 21 | 8
Provision (credit) for unfunded credit losses | 6 | 0
Reserve for unfunded credit commitments, end of year | 27 | 8
Allowance for Credit Losses, end of period | 153 | 83
Consumer Portfolio Segment [Member] |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Allowance for loan losses, beginning of period | 678 | 718
Cumulative change in accounting guidance | (32) |
LoanandLeaseReceivableAllowanceBeginningBalanceadjustedforchangeinaccountingguidance | 646 |
Provision (credit) for loan losses | 51 | 36
Loan Losses: |  |
Charge-offs | (56) | (51)
Recoveries | 12 | 18
Net loan losses | (44) | (33)
Total allowance for loan losses | 653 | 721
Reserve For Unfunded Credit Commitments [Roll Forward] |  |
Reserve for unfunded credit commitments, beginning of year | 25 | 29
Provision (credit) for unfunded credit losses | (5) | (13)
Reserve for unfunded credit commitments, end of year | 20 | 16
Allowance for Credit Losses, end of period | $ 673 | $ 737

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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