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v3.23.3

Fair Value Measures - Quantitative Information about Recurring Level 3 Fair Value Financial Instruments (Details) $ in Millions | Sep. 30, 2023 USD ($) constant_default_rate_per_loan | Dec. 31, 2022 USD ($)
--- | --- | ---
Assets: |  |
Mortgage servicing rights | $ | $ 1,135 | $ 1,033
Recurring |  |
Assets: |  |
Mortgage servicing rights | $ | 1,135 | 1,033
Recurring | Rate lock commitments |  |
Liabilities: |  |
Rate lock commitments (net) | $ | 12 | 10
Significant Unobservable Inputs (Level 3) | Recurring |  |
Assets: |  |
Mortgage servicing rights | $ | 1,135 | 1,033
Significant Unobservable Inputs (Level 3) | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights | $ | 1,135 |
Significant Unobservable Inputs (Level 3) | Recurring | Valuation Technique, Discounted Cash Flow | Private Label CMOs |  |
Assets: |  |
Mortgage servicing rights | $ | 32 |
Significant Unobservable Inputs (Level 3) | Recurring | Rate lock commitments |  |
Liabilities: |  |
Rate lock commitments (net) | $ | 12 | $ 10
Significant Unobservable Inputs (Level 3) | Recurring | Rate lock commitments | Valuation Technique, Consensus Pricing Model |  |
Liabilities: |  |
Rate lock commitments (net) | $ | $ (6) |
Significant Unobservable Inputs (Level 3) | Option adjusted spread | Minimum | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.052 |
Significant Unobservable Inputs (Level 3) | Option adjusted spread | Maximum | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.217 |
Significant Unobservable Inputs (Level 3) | Option adjusted spread | Weighted average | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.056 |
Significant Unobservable Inputs (Level 3) | Constant prepayment rate | Minimum | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0 |
Significant Unobservable Inputs (Level 3) | Constant prepayment rate | Maximum | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.100 |
Significant Unobservable Inputs (Level 3) | Constant prepayment rate | Weighted average | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.073 |
Significant Unobservable Inputs (Level 3) | Weighted average cost to service per loan | Minimum | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 65 |
Significant Unobservable Inputs (Level 3) | Weighted average cost to service per loan | Maximum | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 90 |
Significant Unobservable Inputs (Level 3) | Weighted average cost to service per loan | Weighted average | Recurring | Valuation Technique, Discounted Cash Flow | Residential Mortgage Servicing Rights |  |
Assets: |  |
Mortgage servicing rights, measurement input | 69 |
Significant Unobservable Inputs (Level 3) | Origination pull-through rate | Recurring | Valuation Technique, Consensus Pricing Model |  |
Liabilities: |  |
Rate lock commitments (net), measurement input | 0.7110 |
Significant Unobservable Inputs (Level 3) | Constant default rates | Minimum | Recurring | Private Label CMOs |  |
Liabilities: |  |
Rate lock commitments (net), measurement input | 0.0010 |
Significant Unobservable Inputs (Level 3) | Constant default rates | Maximum | Recurring | Private Label CMOs |  |
Liabilities: |  |
Rate lock commitments (net), measurement input | 0.0030 |
Significant Unobservable Inputs (Level 3) | Weighted average life | Minimum | Recurring | Private Label CMOs |  |
Liabilities: |  |
Rate lock commitments (net), measurement input | 0.082 |
Significant Unobservable Inputs (Level 3) | Weighted average life | Maximum | Recurring | Private Label CMOs |  |
Liabilities: |  |
Rate lock commitments (net), measurement input | 0.119 |

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