FANNIE MAE COMMITMENTS AND PLEDGED SECURITIES - Commitments (Detail) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($)
Fannie Mae
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Period of funding for collateral requirement	48 months
DUS Risk-Sharing Obligations \| Fannie Mae, Freddie Mac, HUD and Ginnie Mae
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Minimum liquid assets to be maintained to meet operational liquidity requirements	$ 69.7
Operational liquidity	290.6
DUS Risk-Sharing Obligations \| Fannie Mae
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Amount of additional capital required to be funded over the next 48 months	99.7
Net worth requirement	350.4
Net worth	$ 1,000.0
DUS Risk-Sharing Obligations \| Fannie Mae \| Money Market Funds
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Restricted liquidity collateral reduction percentage	5.00%
DUS Risk-Sharing Obligations \| Fannie Mae \| New Tier 2 loans
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Collateral requirements percentage	0.75%
Period of funding for collateral requirement	48 months
DUS Risk-Sharing Obligations \| Fannie Mae \| New Tier 2 loans \| Agency MBS
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Restricted liquidity collateral reduction percentage	4.00%

Amount of net capital of broker-dealer.

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