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Loans and Leases - Schedule of Troubled Debt Restructuring (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | $ 154 | $ 146
Non-Accruing | 49 | 46
Total | 203 | 192
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 105 | 97
Non-Accruing | 25 | 21
Total | 130 | 118
Commercial | Commercial construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 2 | 2
Non-Accruing | 1 | 0
Total | 3 | 2
Commercial | Owner occupied commercial mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 50 | 57
Non-Accruing | 8 | 8
Total | 58 | 65
Commercial | Non-owner occupied commercial mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 28 | 26
Non-Accruing | 2 | 3
Total | 30 | 29
Commercial | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 25 | 12
Non-Accruing | 13 | 9
Total | 38 | 21
Commercial | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 0 | 0
Non-Accruing | 1 | 1
Total | 1 | 1
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 49 | 49
Non-Accruing | 24 | 25
Total | 73 | 74
Consumer | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 28 | 29
Non-Accruing | 19 | 18
Total | 47 | 47
Consumer | Revolving mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 18 | 17
Non-Accruing | 5 | 7
Total | 23 | 24
Consumer | Consumer auto |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 2 | 2
Non-Accruing | 0 | 0
Total | 2 | 2
Consumer | Consumer other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accruing | 1 | 1
Non-Accruing | 0 | 0
Total | $ 1 | $ 1

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- Definition Financing Receivable, Troubled Debt Restructuring, Nonaccrual + References No definition available. + Details
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- Definition Amount of financing receivable modified as troubled debt restructuring. + 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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