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Mortgage Servicing Rights and Related Liabilities - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2022
Servicing Assets at Fair Value [Line Items] |  |  |
Excess Spread Financing UPB, Fair Value Disclosure | $ 83,706 | $ 126,103 |
Excess Spread Financing Repurchase, Purchase Price |  |  | $ 277
Forward MSRs Sold |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
Unpaid principal balance sold | 20,902 | 5,163 |
Forward MSRs Sold, Subservicing Retained |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
Principal amount outstanding on mortgage servicing rights | $ 19,817 | $ 3,937 |

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- Definition This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719 + Details
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- Details
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