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Mortgage Loans Held for Sale - Reconciliation to Cash Flow (Details) - USD ($) $ in Millions | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Loans Receivable Held-for-sale, Net, Reconciliation to Cash Flow [Roll Forward] |  |
Balance - beginning of period | $ 5,720 | $ 4,077
Loans sold | (73,822) | (42,185)
Mortgage loans originated and purchased, net of fees | 67,507 | 38,709
Repurchase of loans out of Ginnie Mae securitizations | 8,530 | 3,173
Net change in unrealized gain on retained loans held for sale | 1 | 36
Net transfers of mortgage loans held for sale(1) | 3 | 7
Balance - end of period | $ 7,939 | $ 3,817

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- Definition Loans Receivable Held-for-sale, Reconciliation to Cash Flow, Changes in Fair Value + References No definition available. + Details
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- Definition Loans Receivable Held-for-sale, Reconciliation to Cash Flow, Transfer from Held-for-sale to Held For Investment or Other Assets + References No definition available. + Details
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- Definition Repurchase of Ginnie Mae Receivables + References No definition available. + Details
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- Definition Amount, before valuation allowance, of financing receivable classified as held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124265262&loc=d3e48678-111004 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount, after allowance for bad debt, of additions to loan receivables held-for-sale that are not part of a disposal group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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- Definition Amount, after allowance for bad debt, of deductions to loan receivables held-for-sale that are not part of a disposal group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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