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Loans and Leases - Schedule Of Troubled Debt Restructurings Occurring During The Year (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) loan | Sep. 30, 2021 USD ($) loan | Sep. 30, 2022 USD ($) loan | Sep. 30, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number | loan | 84 | 21 | 333 | 131
Pre-Modification Outstanding Recorded Investment | $ 42 | $ 8 | $ 87 | $ 59
Post-Modification Outstanding Recorded Investment | $ 36 | $ 7 | $ 81 | $ 54
Consumer: | Credit card and other |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number | loan | 51 | 8 | 60 | 36
Pre-Modification Outstanding Recorded Investment | $ 10 | $ 0 | $ 10 | $ 0
Post-Modification Outstanding Recorded Investment | $ 10 | $ 0 | $ 10 | $ 0
C&I | Commercial: | Commercial and industrial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number | loan | 3 | 5 | 6 | 32
Pre-Modification Outstanding Recorded Investment | $ 30 | $ 8 | $ 30 | $ 37
Post-Modification Outstanding Recorded Investment | $ 24 | $ 7 | $ 24 | $ 34
CRE | Commercial: | Consumer Real Estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number | loan | 0 | 0 | 0 | 1
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0 | $ 12
Post-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0 | $ 10
HELOC | Consumer: | Consumer Real Estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number | loan | 30 | 2 | 86 | 21
Pre-Modification Outstanding Recorded Investment | $ 2 | $ 0 | $ 6 | $ 2
Post-Modification Outstanding Recorded Investment | $ 2 | $ 0 | $ 6 | $ 2
Real estate installment loans | Consumer: | Consumer Real Estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number | loan | 0 | 6 | 181 | 41
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 41 | $ 8
Post-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 41 | $ 8

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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