Mortgage Loans - Amortized Cost Basis of Single-Family Held-for-Investment Loans by Current LTV Ratios and Vintage (Details) - USD ($)
$ in Millions |
9 Months Ended |
12 Months Ended |
Sep. 30, 2026 |
Dec. 31, 2025 |
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year, year-to-date write-offs |
$ 0
|
$ 1
|
| Fiscal year before current fiscal year, year-to-date write-offs |
16
|
22
|
| Two years before current fiscal Year, year-to-date write-offs |
80
|
44
|
| Three years before current fiscal year, year-to-date write-offs |
116
|
75
|
| Four years before current fiscal year, year-to-date write-offs |
126
|
55
|
| More than five years before current fiscal Year, year-to-date write-offs |
109
|
174
|
| Financing Receivable, before Allowance for Credit Loss |
3,356,923
|
3,291,359
|
| Total current-period year-to-date gross write-offs |
447
|
371
|
| 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
238,497
|
304,494
|
| Current fiscal year, year-to-date write-offs |
0
|
1
|
| One year before current fiscal year |
302,899
|
279,055
|
| Fiscal year before current fiscal year, year-to-date write-offs |
15
|
22
|
| Two years before current fiscal year |
240,539
|
202,824
|
| Two years before current fiscal Year, year-to-date write-offs |
80
|
44
|
| Three years before current fiscal year |
175,049
|
332,168
|
| Three years before current fiscal year, year-to-date write-offs |
115
|
73
|
| Four years before current fiscal year |
308,493
|
747,411
|
| Four years before current fiscal year, year-to-date write-offs |
124
|
54
|
| Five years before current fiscal year |
1,616,283
|
978,660
|
| More than five years before current fiscal Year, year-to-date write-offs |
107
|
172
|
| Financing Receivable, before Allowance for Credit Loss |
2,881,760
|
2,844,612
|
| Total current-period year-to-date gross write-offs |
441
|
366
|
| 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
15,236
|
22,385
|
| Current fiscal year, year-to-date write-offs |
0
|
0
|
| One year before current fiscal year |
21,010
|
10,842
|
| Fiscal year before current fiscal year, year-to-date write-offs |
1
|
0
|
| Two years before current fiscal year |
8,941
|
5,987
|
| Two years before current fiscal Year, year-to-date write-offs |
0
|
0
|
| Three years before current fiscal year |
4,870
|
21,769
|
| Three years before current fiscal year, year-to-date write-offs |
1
|
1
|
| Four years before current fiscal year |
19,220
|
96,294
|
| Four years before current fiscal year, year-to-date write-offs |
1
|
1
|
| Five years before current fiscal year |
179,377
|
111,404
|
| More than five years before current fiscal Year, year-to-date write-offs |
2
|
1
|
| Financing Receivable, before Allowance for Credit Loss |
248,654
|
268,681
|
| Total current-period year-to-date gross write-offs |
5
|
3
|
| Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
9,264
|
9,215
|
| Current fiscal year, year-to-date write-offs |
0
|
0
|
| One year before current fiscal year |
9,681
|
2,031
|
| Fiscal year before current fiscal year, year-to-date write-offs |
0
|
0
|
| Two years before current fiscal year |
1,804
|
2,342
|
| Two years before current fiscal Year, year-to-date write-offs |
0
|
0
|
| Three years before current fiscal year |
2,114
|
4,616
|
| Three years before current fiscal year, year-to-date write-offs |
0
|
1
|
| Four years before current fiscal year |
4,210
|
3,632
|
| Four years before current fiscal year, year-to-date write-offs |
1
|
0
|
| Five years before current fiscal year |
12,643
|
10,637
|
| More than five years before current fiscal Year, year-to-date write-offs |
0
|
1
|
| Financing Receivable, before Allowance for Credit Loss |
39,716
|
32,473
|
| Total current-period year-to-date gross write-offs |
1
|
2
|
| Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
262,997
|
336,094
|
| One year before current fiscal year |
333,590
|
291,928
|
| Two years before current fiscal year |
251,284
|
211,153
|
| Three years before current fiscal year |
182,033
|
358,553
|
| Four years before current fiscal year |
331,923
|
847,337
|
| Five years before current fiscal year |
1,808,303
|
1,100,701
|
| Financing Receivable, before Allowance for Credit Loss |
3,170,130
|
3,145,766
|
| CLTV ratio less than or equal to 60 percent | 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
37,998
|
47,112
|
| One year before current fiscal year |
51,693
|
47,188
|
| Two years before current fiscal year |
44,364
|
39,388
|
| Three years before current fiscal year |
38,569
|
114,149
|
| Four years before current fiscal year |
121,895
|
557,834
|
| Five years before current fiscal year |
1,440,538
|
936,838
|
| Financing Receivable, before Allowance for Credit Loss |
1,735,057
|
1,742,509
|
| CLTV ratio less than or equal to 60 percent | 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
6,522
|
9,953
|
| One year before current fiscal year |
10,642
|
5,816
|
| Two years before current fiscal year |
5,380
|
3,987
|
| Three years before current fiscal year |
3,694
|
19,872
|
| Four years before current fiscal year |
18,304
|
96,005
|
| Five years before current fiscal year |
179,267
|
111,387
|
| Financing Receivable, before Allowance for Credit Loss |
223,809
|
247,020
|
| CLTV ratio less than or equal to 60 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
1,621
|
1,797
|
| One year before current fiscal year |
1,996
|
358
|
| Two years before current fiscal year |
328
|
412
|
| Three years before current fiscal year |
425
|
1,753
|
| Four years before current fiscal year |
1,778
|
3,121
|
| Five years before current fiscal year |
12,125
|
10,469
|
| Financing Receivable, before Allowance for Credit Loss |
18,273
|
17,910
|
| CLTV ratio less than or equal to 60 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
46,141
|
58,862
|
| One year before current fiscal year |
64,331
|
53,362
|
| Two years before current fiscal year |
50,072
|
43,787
|
| Three years before current fiscal year |
42,688
|
135,774
|
| Four years before current fiscal year |
141,977
|
656,960
|
| Five years before current fiscal year |
1,631,930
|
1,058,694
|
| Financing Receivable, before Allowance for Credit Loss |
1,977,139
|
2,007,439
|
| CLTV ratio greater than 60 to 80 percent | 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
99,759
|
118,639
|
| One year before current fiscal year |
125,164
|
110,794
|
| Two years before current fiscal year |
102,015
|
95,194
|
| Three years before current fiscal year |
86,536
|
162,477
|
| Four years before current fiscal year |
143,774
|
179,033
|
| Five years before current fiscal year |
166,925
|
40,311
|
| Financing Receivable, before Allowance for Credit Loss |
724,173
|
706,448
|
| CLTV ratio greater than 60 to 80 percent | 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
6,639
|
9,450
|
| One year before current fiscal year |
8,450
|
4,281
|
| Two years before current fiscal year |
3,225
|
1,879
|
| Three years before current fiscal year |
1,127
|
1,833
|
| Four years before current fiscal year |
888
|
286
|
| Five years before current fiscal year |
110
|
17
|
| Financing Receivable, before Allowance for Credit Loss |
20,439
|
17,746
|
| CLTV ratio greater than 60 to 80 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
4,347
|
4,321
|
| One year before current fiscal year |
4,629
|
923
|
| Two years before current fiscal year |
881
|
1,184
|
| Three years before current fiscal year |
1,109
|
2,138
|
| Four years before current fiscal year |
1,872
|
489
|
| Five years before current fiscal year |
492
|
155
|
| Financing Receivable, before Allowance for Credit Loss |
13,330
|
9,210
|
| CLTV ratio greater than 60 to 80 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
110,745
|
132,410
|
| One year before current fiscal year |
138,243
|
115,998
|
| Two years before current fiscal year |
106,121
|
98,257
|
| Three years before current fiscal year |
88,772
|
166,448
|
| Four years before current fiscal year |
146,534
|
179,808
|
| Five years before current fiscal year |
167,527
|
40,483
|
| Financing Receivable, before Allowance for Credit Loss |
757,942
|
733,404
|
| CLTV ratio greater than 80 to 90 Percent | 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
44,807
|
60,372
|
| One year before current fiscal year |
66,090
|
67,451
|
| Two years before current fiscal year |
59,723
|
50,223
|
| Three years before current fiscal year |
37,460
|
43,480
|
| Four years before current fiscal year |
34,205
|
9,002
|
| Five years before current fiscal year |
7,450
|
1,135
|
| Financing Receivable, before Allowance for Credit Loss |
249,735
|
231,663
|
| CLTV ratio greater than 80 to 90 Percent | 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
1,421
|
1,967
|
| One year before current fiscal year |
1,567
|
639
|
| Two years before current fiscal year |
314
|
105
|
| Three years before current fiscal year |
45
|
57
|
| Four years before current fiscal year |
26
|
3
|
| Five years before current fiscal year |
0
|
0
|
| Financing Receivable, before Allowance for Credit Loss |
3,373
|
2,771
|
| CLTV ratio greater than 80 to 90 Percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
1,891
|
1,783
|
| One year before current fiscal year |
1,900
|
522
|
| Two years before current fiscal year |
454
|
581
|
| Three years before current fiscal year |
452
|
574
|
| Four years before current fiscal year |
443
|
19
|
| Five years before current fiscal year |
20
|
9
|
| Financing Receivable, before Allowance for Credit Loss |
5,160
|
3,488
|
| CLTV ratio greater than 80 to 90 Percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
48,119
|
64,122
|
| One year before current fiscal year |
69,557
|
68,612
|
| Two years before current fiscal year |
60,491
|
50,909
|
| Three years before current fiscal year |
37,957
|
44,111
|
| Four years before current fiscal year |
34,674
|
9,024
|
| Five years before current fiscal year |
7,470
|
1,144
|
| Financing Receivable, before Allowance for Credit Loss |
258,268
|
237,922
|
| CLTV ratio greater than 90 to 100 percent | 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
55,762
|
77,814
|
| One year before current fiscal year |
59,052
|
51,196
|
| Two years before current fiscal year |
32,148
|
16,197
|
| Three years before current fiscal year |
10,732
|
10,399
|
| Four years before current fiscal year |
6,980
|
1,386
|
| Five years before current fiscal year |
1,141
|
292
|
| Financing Receivable, before Allowance for Credit Loss |
165,815
|
157,284
|
| CLTV ratio greater than 90 to 100 percent | 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
647
|
1,007
|
| One year before current fiscal year |
349
|
104
|
| Two years before current fiscal year |
21
|
15
|
| Three years before current fiscal year |
4
|
7
|
| Four years before current fiscal year |
2
|
0
|
| Five years before current fiscal year |
0
|
0
|
| Financing Receivable, before Allowance for Credit Loss |
1,023
|
1,133
|
| CLTV ratio greater than 90 to 100 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
1,402
|
1,312
|
| One year before current fiscal year |
1,151
|
226
|
| Two years before current fiscal year |
139
|
153
|
| Three years before current fiscal year |
116
|
132
|
| Four years before current fiscal year |
95
|
3
|
| Five years before current fiscal year |
4
|
2
|
| Financing Receivable, before Allowance for Credit Loss |
2,907
|
1,828
|
| CLTV ratio greater than 90 to 100 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
57,811
|
80,133
|
| One year before current fiscal year |
60,552
|
51,526
|
| Two years before current fiscal year |
32,308
|
16,365
|
| Three years before current fiscal year |
10,852
|
10,538
|
| Four years before current fiscal year |
7,077
|
1,389
|
| Five years before current fiscal year |
1,145
|
294
|
| Financing Receivable, before Allowance for Credit Loss |
169,745
|
160,245
|
| CLTV ratio greater than 100 percent | 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
171
|
557
|
| One year before current fiscal year |
900
|
2,426
|
| Two years before current fiscal year |
2,289
|
1,822
|
| Three years before current fiscal year |
1,752
|
1,663
|
| Four years before current fiscal year |
1,639
|
156
|
| Five years before current fiscal year |
229
|
84
|
| Financing Receivable, before Allowance for Credit Loss |
6,980
|
6,708
|
| CLTV ratio greater than 100 percent | 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
7
|
8
|
| One year before current fiscal year |
2
|
2
|
| Two years before current fiscal year |
1
|
1
|
| Three years before current fiscal year |
0
|
0
|
| Four years before current fiscal year |
0
|
0
|
| Five years before current fiscal year |
0
|
0
|
| Financing Receivable, before Allowance for Credit Loss |
10
|
11
|
| CLTV ratio greater than 100 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
3
|
2
|
| One year before current fiscal year |
5
|
2
|
| Two years before current fiscal year |
2
|
12
|
| Three years before current fiscal year |
12
|
19
|
| Four years before current fiscal year |
22
|
0
|
| Five years before current fiscal year |
2
|
2
|
| Financing Receivable, before Allowance for Credit Loss |
46
|
37
|
| CLTV ratio greater than 100 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
181
|
567
|
| One year before current fiscal year |
907
|
2,430
|
| Two years before current fiscal year |
2,292
|
1,835
|
| Three years before current fiscal year |
1,764
|
1,682
|
| Four years before current fiscal year |
1,661
|
156
|
| Five years before current fiscal year |
231
|
86
|
| Financing Receivable, before Allowance for Credit Loss |
$ 7,036
|
$ 6,756
|