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Securitizations and Financings | 12 Months Ended
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Dec. 31, 2024
Variable Interest Entities and Securitizations [Abstract] |
Securitizations and Financings | 13. Securitizations and Financings Variable Interest Entities In the normal course of business, the Company enters into various types of on- and off-balance sheet transactions with special purpose entities (“SPEs”) determined to be VIEs, which primarily consist of securitization trusts established for a limited purpose. Generally, these SPEs are formed for the purpose of securitization transactions in which the Company transfers assets to a SPE, which then issues to investors various forms of debt obligations supported by those assets. The Company has determined that the SPEs created in connection with certain advance facilities trusts should be consolidated as the Company is the primary beneficiary of each of these entities. A summary of the assets and liabilities of the Company’s transactions with VIEs included in the Company’s consolidated financial statements is presented below:
| December 31, 2024 |  | December 31, 2023
Consolidated Transactions with VIEs | Transfers Accounted for as Secured Borrowings |  | Transfers Accounted for as Secured Borrowings
Assets |  |  |
Restricted cash | $ | 188 |  |  | $ | 111 |
Advances and other receivables, net | 1,020 |  |  | 495 |
Total assets | $ | 1,208 |  |  | $ | 606 |
Liabilities |  |  |
Advance facilities, net(1) | $ | 824 |  |  | $ | 382 |
MSR facilities, net(1) | 469 |  |  | — |
Payables and other liabilities | 3 |  |  | 1 |
Total liabilities | $ | 1,296 |  |  | $ | 383 |
(1)Refer to advance and MSR facilities in Note 12, Indebtedness, for additional information. The following table shows a summary of the outstanding collateral and certificate balances for securitization trusts for which the Company was the transferor, including any retained beneficial interests and MSRs, that were not consolidated by the Company:
Unconsolidated Securitization Trusts | December 31, 2024 |  | December 31, 2023
Total collateral balances - UPB | $ | 798 |  |  | $ | 881 |
Total certificate balances | $ | 773 |  |  | $ | 849 |
The Company has not retained any variable interests in the unconsolidated securitization trusts that were outstanding as of December 31, 2024, and 2023, and therefore does not have a significant exposure to loss related to these unconsolidated VIEs. A summary of mortgage loans transferred by the Company to unconsolidated securitization trusts that are 60 days or more past due are presented below:
Principal Amount of Transferred Loans 60 Days or More Past Due | December 31, 2024 |  | December 31, 2023
Unconsolidated securitization trusts | $ | 81 |  |  | $ | 91 |

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