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Loans and Leases - Summary of Financial Effects of Troubled Debt Restructurings (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2022 USD ($) Investment | Mar. 31, 2021 USD ($) Investment
Commercial Real Estate |  |
Financing Receivable Modifications [Line Items] |  |
Number of loans classified as a non-accrual TDRs | Investment | 1 |
Pre-Modification Recorded Investment | $ 22 |
Post-Modification Recorded Investment | $ 19 |
Weighted Average Interest Rate, Pre-Modification | 6.00% |
Weighted Average Interest Rate, Post-Modification | 4.00% |
Trouble debt restructuring, charge-off amount | $ 3 |
Multi-Family |  |
Financing Receivable Modifications [Line Items] |  |
Number of loans classified as a non-accrual TDRs | Investment |  | 1
Pre-Modification Recorded Investment |  | $ 8
Post-Modification Recorded Investment |  | $ 8
Weighted Average Interest Rate, Pre-Modification |  | 3.13%
Weighted Average Interest Rate, Post-Modification |  | 3.25%

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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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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