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Securitizations and Financings - Assets and Liabilities of Consolidated VIEs (Details) - Residential Mortgage - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Transfers accounted for as secured borrowings, assets | $ 476 | $ 437
Transfers accounted for as secured borrowings, liabilities | 322 | 323
Restricted cash |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Transfers accounted for as secured borrowings, assets | 78 | 50
Advances and other receivables, net |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Transfers accounted for as secured borrowings, assets | 398 | 387
Advance facilities(1) |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Transfers accounted for as secured borrowings, liabilities | 321 | 322
Payables and other liabilities |  |
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] |  |
Transfers accounted for as secured borrowings, liabilities | $ 1 | $ 1

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