FANNIE MAE COMMITMENTS AND PLEDGED SECURITIES - Commitments (Detail) - DUS Risk-Sharing Obligations $ in Millions	9 Months Ended
Sep. 30, 2026 USD ($)
Fannie Mae, Freddie Mac, HUD and Ginnie Mae
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Amount of additional capital required to be funded over the next 48 months	$ 91.5
Net worth requirement	364.8
Net worth	895.8
Minimum liquid assets to be maintained to meet operational liquidity requirements	72.6
Operational liquidity	$ 153.7
Fannie Mae
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Period of funding for collateral requirement	48 months
Fannie Mae \| New Tier 2 loans
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Collateral requirements percentage	0.75%
Period of funding for collateral requirement	48 months
Fannie Mae \| New Tier 2 loans \| Money Market Funds
LITIGATION, COMMITMENTS, AND CONTINGENCIES
Restricted liquidity collateral reduction percentage	5.00%
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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