v3.25.4
Segment Reporting - Schedule of Segment Reporting (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Net interest income $ 28,608 $ 28,748 $ 28,773
Fee and other income 356 321 275
Net revenues 28,964 29,069 29,048
Fair value gains (losses), net 90 1,821 1,304
Investment gains (losses), net 105 (96) (265)
Other gains (losses), net 195 1,725 1,039
(Provision) benefit for credit losses (1,606) 186 1,670
Non-interest expense:      
Administrative expense (3,579) (3,619) (3,445)
Legislative assessments (3,749) (3,766) (3,745)
Credit enhancement expense (1,656) (1,641) (1,512)
Other expenses, net   (685) (1,099)
Total non-interest expense 9,570 9,711 9,801
Income before federal income taxes 17,983 21,269 21,956
Provision for federal income taxes (3,619) (4,291) (4,548)
Net income 14,364 16,978 17,408
Related Party | Treasury      
Non-interest expense:      
Legislative assessments (3,749) (3,766) (3,745)
Operating Segments      
Non-interest expense:      
Other expenses, net (586)    
Operating Segments | Single-Family      
Segment Reporting Information [Line Items]      
Net interest income 23,893 24,130 24,229
Fee and other income 281 245 205
Net revenues 24,174 24,375 24,434
Fair value gains (losses), net (16) 1,745 1,231
Investment gains (losses), net 94 (99) (232)
Other gains (losses), net 78 1,646 999
(Provision) benefit for credit losses (1,323) 938 2,165
Non-interest expense:      
Administrative expense (2,918) (3,000) (2,858)
Credit enhancement expense (1,343) (1,349) (1,281)
Other expenses, net (606) (771) (970)
Total non-interest expense 8,555 8,839 8,808
Income before federal income taxes 14,374 18,120 18,790
Provision for federal income taxes (2,958) (3,690) (3,935)
Net income 11,416 14,430 14,855
Operating Segments | Multifamily      
Segment Reporting Information [Line Items]      
Net interest income 4,715 4,618 4,544
Fee and other income 75 76 70
Net revenues 4,790 4,694 4,614
Fair value gains (losses), net 106 76 73
Investment gains (losses), net 11 3 (33)
Other gains (losses), net 117 79 40
(Provision) benefit for credit losses (283) (752) (495)
Non-interest expense:      
Administrative expense (661) (619) (587)
Credit enhancement expense (313) (292) (231)
Other expenses, net 20 86 (129)
Total non-interest expense 1,015 872 993
Income before federal income taxes 3,609 3,149 3,166
Provision for federal income taxes (661) (601) (613)
Net income 2,948 2,548 2,553
Operating Segments | Related Party | Single-Family | Treasury      
Non-interest expense:      
Legislative assessments (3,688) (3,719) (3,699)
Operating Segments | Related Party | Multifamily | Treasury      
Non-interest expense:      
Legislative assessments $ (61) $ (47) $ (46)