v3.26.1
Segment Reporting - Segment Earnings and Reconciliation to GAAP Condensed Consolidated Statements of Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Interest income $ 33,650 $ 31,365
Interest Expense (28,031) (26,263)
Net interest income 5,619 5,102
Non-interest income    
Guarantee income 320 440
Investment gains (losses), net 42 192
Other income 152 118
Non-interest income 514 750
Net revenues 6,133 5,852
(Provision) benefit for credit losses 320 (280)
Non-interest expense    
General and Administrative Expense (626) (676)
Credit enhancement expense (441) (540)
Legislative and regulatory assessments (832) (817)
Other expense (123) (55)
Non-interest expense (2,022) (2,088)
Income before income tax expense 4,431 3,484
Income tax expense (873) (690)
Net income 3,558 2,794
Other comprehensive income (loss), net of taxes and reclassification adjustments (20) 34
Comprehensive income 3,538 2,828
Single Family Guarantee Segment | Operating segments    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Interest income 31,570 30,046
Interest Expense (26,450) (25,293)
Net interest income 5,120 4,753
Non-interest income    
Guarantee income 20 23
Investment gains (losses), net (66) 61
Other income 101 81
Non-interest income 55 165
Net revenues 5,175 4,918
(Provision) benefit for credit losses 311 (228)
Non-interest expense    
General and Administrative Expense (482) (523)
Credit enhancement expense (386) (491)
Legislative and regulatory assessments (821) (807)
Other expense (91) (50)
Non-interest expense (1,780) (1,871)
Income before income tax expense 3,706 2,819
Income tax expense (730) (558)
Net income 2,976 2,261
Other comprehensive income (loss), net of taxes and reclassification adjustments (13) 8
Comprehensive income 2,963 2,269
Multifamily | Operating segments    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Interest income 2,080 1,319
Interest Expense (1,581) (970)
Net interest income 499 349
Non-interest income    
Guarantee income 300 417
Investment gains (losses), net 108 131
Other income 51 37
Non-interest income 459 585
Net revenues 958 934
(Provision) benefit for credit losses 9 (52)
Non-interest expense    
General and Administrative Expense (144) (153)
Credit enhancement expense (55) (49)
Legislative and regulatory assessments (11) (10)
Other expense (32) (5)
Non-interest expense (242) (217)
Income before income tax expense 725 665
Income tax expense (143) (132)
Net income 582 533
Other comprehensive income (loss), net of taxes and reclassification adjustments (7) 26
Comprehensive income $ 575 $ 559