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v3.23.1

Fair Value Measures - Quantitative Information about Recurring Level 3 Fair Value Financial Instruments (Details) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Assets: |  |
Mortgage servicing rights | $ 1,034,000,000 | $ 1,033,000,000
Recurring |  |
Assets: |  |
Mortgage servicing rights | 1,034,000,000 | 1,033,000,000
Recurring | Rate lock commitments |  |
Liabilities: |  |
Rate lock commitments (net) | 7,000,000 | 10,000,000
Significant Unobservable Inputs (Level 3) | Recurring |  |
Assets: |  |
Mortgage servicing rights | 1,034,000,000 | 1,033,000,000
Significant Unobservable Inputs (Level 3) | Recurring | Rate lock commitments |  |
Liabilities: |  |
Rate lock commitments (net) | $ 7,000,000 | $ 10,000,000
Significant Unobservable Inputs (Level 3) | Option adjusted spread | Minimum | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.049 |
Significant Unobservable Inputs (Level 3) | Option adjusted spread | Maximum | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.225 |
Significant Unobservable Inputs (Level 3) | Option adjusted spread | Weighted average | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.058 |
Significant Unobservable Inputs (Level 3) | Constant prepayment rate | Minimum | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0 |
Significant Unobservable Inputs (Level 3) | Constant prepayment rate | Maximum | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.105 |
Significant Unobservable Inputs (Level 3) | Constant prepayment rate | Weighted average | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 0.081 |
Significant Unobservable Inputs (Level 3) | Weighted average cost to service per loan | Minimum | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 65 |
Significant Unobservable Inputs (Level 3) | Weighted average cost to service per loan | Maximum | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 90 |
Significant Unobservable Inputs (Level 3) | Weighted average cost to service per loan | Weighted average | Recurring |  |
Assets: |  |
Mortgage servicing rights, measurement input | 68 |
Significant Unobservable Inputs (Level 3) | Origination pull-through rate | Recurring |  |
Liabilities: |  |
Rate lock commitments (net), measurement input | 0.7720 |

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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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