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Nature of Business and Basis of Presentation - Additional Information (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - Title Business - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Mar. 12, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Purchase price |  |  | $ 500
Cash received from disposal |  |  | $ 450
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | $ 487 |  |
Disposal Group, Not Discontinued Operation, Transaction Cost | $ 2 | $ 5 |
Mr. Cooper Group Inc. | Blend Labs, Inc. |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Ownership interest percentage |  |  | 9.90%

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- Definition Amount of currency on hand, demand deposits with banks or financial institutions, and other kinds of accounts that have the general characteristics of demand deposits, held by a disposal group. + References No definition available. + Details
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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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