Organization, Consolidation and Presentation of Financial Statements (Policies)	12 Months Ended
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Transfers of Financial Assets	Transfers of Financial Assets We evaluate each transfer of financial assets to determine whether we have surrendered control and the transfer qualifies as a sale. If a transfer does not meet the criteria for sale treatment, the transferred assets remain in our consolidated balance sheets and we record a liability to the extent of any proceeds received in connection with the transfer. When a transfer that qualifies as a sale is completed, we derecognize all assets transferred and recognize all assets received and liabilities incurred at fair value. The difference between the carrying basis of the assets transferred and the fair value of the net proceeds from the sale is recorded as a component of “Investment gains (losses), net” in our consolidated statements of operations and comprehensive income. We retain interests from the transfer and sale of mortgage-related securities to unconsolidated single-class and multi-class portfolio securitization trusts. Retained interests are primarily derived from transfers associated with our portfolio securitizations in the form of Fannie Mae securities. We provide additional information on the accounting for retained investment securities in the “Investments in Securities” section of this note.

- Definition

Disclosure of accounting policy for transfers and servicing financial assets, including securitization transactions as well as repurchase and resale agreements. This disclosure may include how the entity (1) determines whether a transaction is accounted for as a sale; (2) accounts for a sale transaction, including the initial and subsequent accounting for any interests that the entity obtains or continues to hold in the transaction, how such interests are valued, and the significant assumptions used in the valuation; (3) accounts for a transaction that does not qualify for sale treatment (that is, a financing); and (4) accounts for its servicing assets and liabilities ("servicing"), including how such servicing is measured initially and subsequently, and the methodology and significant assumptions used to value such servicing.

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