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Loans and Leases - Schedule of Troubled Debt Restructuring Modifications (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) loan | Dec. 31, 2021 USD ($) loan | Dec. 31, 2020 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | loan | 337 | 454 | 599,000,000
Amortized Cost at Period End | $ | $ 79 | $ 64 | $ 92
Interest only |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | loan | 17 | 20 | 37
Amortized Cost at Period End | $ | $ 39 | $ 18 | $ 32
Loan term extension |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | loan | 128 | 129 | 92
Amortized Cost at Period End | $ | $ 26 | $ 16 | $ 11
Below market rates |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | loan | 86 | 177 | 254
Amortized Cost at Period End | $ | $ 9 | $ 20 | $ 40
Discharge from bankruptcy |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | loan | 106 | 128 | 216
Amortized Cost at Period End | $ | $ 5 | $ 10 | $ 9

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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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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + 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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