Mortgage Loans - Amortized Cost Basis of Single-Family Held-for-Investment Loans by Current LTV Ratios and Vintage (Details) - USD ($) $ in Millions |
3 Months Ended |
12 Months Ended |
Mar. 31, 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 |
2
|
22
|
| Two years before current fiscal Year, year-to-date write-offs |
17
|
44
|
| Three years before current fiscal year, year-to-date write-offs |
28
|
75
|
| Four years before current fiscal year, year-to-date write-offs |
37
|
55
|
| More than five years before current fiscal Year, year-to-date write-offs |
42
|
174
|
| Financing Receivable, before Allowance for Credit Loss |
3,303,409
|
3,291,359
|
| Total current-period year-to-date gross write-offs |
126
|
371
|
| 20- and 30-year or more, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
57,207
|
304,494
|
| Current fiscal year, year-to-date write-offs |
0
|
1
|
| One year before current fiscal year |
321,711
|
279,055
|
| Fiscal year before current fiscal year, year-to-date write-offs |
2
|
22
|
| Two years before current fiscal year |
260,442
|
202,824
|
| Two years before current fiscal Year, year-to-date write-offs |
17
|
44
|
| Three years before current fiscal year |
190,803
|
332,168
|
| Three years before current fiscal year, year-to-date write-offs |
28
|
73
|
| Four years before current fiscal year |
324,792
|
747,411
|
| Four years before current fiscal year, year-to-date write-offs |
36
|
54
|
| Five years before current fiscal year |
1,693,828
|
978,660
|
| More than five years before current fiscal Year, year-to-date write-offs |
41
|
172
|
| Financing Receivable, before Allowance for Credit Loss |
2,848,783
|
2,844,612
|
| Total current-period year-to-date gross write-offs |
124
|
366
|
| 15-year or less, amortizing fixed-rate |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
5,017
|
22,385
|
| Current fiscal year, year-to-date write-offs |
0
|
0
|
| One year before current fiscal year |
23,293
|
10,842
|
| Fiscal year before current fiscal year, year-to-date write-offs |
0
|
0
|
| Two years before current fiscal year |
10,052
|
5,987
|
| Two years before current fiscal Year, year-to-date write-offs |
0
|
0
|
| Three years before current fiscal year |
5,553
|
21,769
|
| Three years before current fiscal year, year-to-date write-offs |
0
|
1
|
| Four years before current fiscal year |
20,937
|
96,294
|
| Four years before current fiscal year, year-to-date write-offs |
1
|
1
|
| Five years before current fiscal year |
198,405
|
111,404
|
| More than five years before current fiscal Year, year-to-date write-offs |
1
|
1
|
| Financing Receivable, before Allowance for Credit Loss |
263,257
|
268,681
|
| Total current-period year-to-date gross write-offs |
2
|
3
|
| Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
1,998
|
9,215
|
| Current fiscal year, year-to-date write-offs |
0
|
0
|
| One year before current fiscal year |
10,142
|
2,031
|
| Fiscal year before current fiscal year, year-to-date write-offs |
0
|
0
|
| Two years before current fiscal year |
1,930
|
2,342
|
| Two years before current fiscal Year, year-to-date write-offs |
0
|
0
|
| Three years before current fiscal year |
2,249
|
4,616
|
| Three years before current fiscal year, year-to-date write-offs |
0
|
1
|
| Four years before current fiscal year |
4,485
|
3,632
|
| Four years before current fiscal year, year-to-date write-offs |
0
|
0
|
| Five years before current fiscal year |
13,773
|
10,637
|
| More than five years before current fiscal Year, year-to-date write-offs |
0
|
1
|
| Financing Receivable, before Allowance for Credit Loss |
34,577
|
32,473
|
| Total current-period year-to-date gross write-offs |
0
|
2
|
| Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
64,222
|
336,094
|
| One year before current fiscal year |
355,146
|
291,928
|
| Two years before current fiscal year |
272,424
|
211,153
|
| Three years before current fiscal year |
198,605
|
358,553
|
| Four years before current fiscal year |
350,214
|
847,337
|
| Five years before current fiscal year |
1,906,006
|
1,100,701
|
| Financing Receivable, before Allowance for Credit Loss |
3,146,617
|
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 |
8,698
|
47,112
|
| One year before current fiscal year |
50,304
|
47,188
|
| Two years before current fiscal year |
44,393
|
39,388
|
| Three years before current fiscal year |
37,527
|
114,149
|
| Four years before current fiscal year |
114,041
|
557,834
|
| Five years before current fiscal year |
1,473,337
|
936,838
|
| Financing Receivable, before Allowance for Credit Loss |
1,728,300
|
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 |
1,921
|
9,953
|
| One year before current fiscal year |
10,706
|
5,816
|
| Two years before current fiscal year |
5,535
|
3,987
|
| Three years before current fiscal year |
3,824
|
19,872
|
| Four years before current fiscal year |
19,373
|
96,005
|
| Five years before current fiscal year |
198,169
|
111,387
|
| Financing Receivable, before Allowance for Credit Loss |
239,528
|
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 |
367
|
1,797
|
| One year before current fiscal year |
1,937
|
358
|
| Two years before current fiscal year |
337
|
412
|
| Three years before current fiscal year |
401
|
1,753
|
| Four years before current fiscal year |
1,723
|
3,121
|
| Five years before current fiscal year |
13,138
|
10,469
|
| Financing Receivable, before Allowance for Credit Loss |
17,903
|
17,910
|
| CLTV ratio less than or equal to 60 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
10,986
|
58,862
|
| One year before current fiscal year |
62,947
|
53,362
|
| Two years before current fiscal year |
50,265
|
43,787
|
| Three years before current fiscal year |
41,752
|
135,774
|
| Four years before current fiscal year |
135,137
|
656,960
|
| Five years before current fiscal year |
1,684,644
|
1,058,694
|
| Financing Receivable, before Allowance for Credit Loss |
1,985,731
|
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 |
24,341
|
118,639
|
| One year before current fiscal year |
121,494
|
110,794
|
| Two years before current fiscal year |
103,454
|
95,194
|
| Three years before current fiscal year |
89,654
|
162,477
|
| Four years before current fiscal year |
157,726
|
179,033
|
| Five years before current fiscal year |
208,915
|
40,311
|
| Financing Receivable, before Allowance for Credit Loss |
705,584
|
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 |
2,222
|
9,450
|
| One year before current fiscal year |
9,611
|
4,281
|
| Two years before current fiscal year |
3,903
|
1,879
|
| Three years before current fiscal year |
1,636
|
1,833
|
| Four years before current fiscal year |
1,513
|
286
|
| Five years before current fiscal year |
235
|
17
|
| Financing Receivable, before Allowance for Credit Loss |
19,120
|
17,746
|
| CLTV ratio greater than 60 to 80 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
976
|
4,321
|
| One year before current fiscal year |
4,578
|
923
|
| Two years before current fiscal year |
886
|
1,184
|
| Three years before current fiscal year |
1,125
|
2,138
|
| Four years before current fiscal year |
2,055
|
489
|
| Five years before current fiscal year |
603
|
155
|
| Financing Receivable, before Allowance for Credit Loss |
10,223
|
9,210
|
| CLTV ratio greater than 60 to 80 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
27,539
|
132,410
|
| One year before current fiscal year |
135,683
|
115,998
|
| Two years before current fiscal year |
108,243
|
98,257
|
| Three years before current fiscal year |
92,415
|
166,448
|
| Four years before current fiscal year |
161,294
|
179,808
|
| Five years before current fiscal year |
209,753
|
40,483
|
| Financing Receivable, before Allowance for Credit Loss |
734,927
|
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 |
11,704
|
60,372
|
| One year before current fiscal year |
66,473
|
67,451
|
| Two years before current fiscal year |
62,480
|
50,223
|
| Three years before current fiscal year |
46,818
|
43,480
|
| Four years before current fiscal year |
41,470
|
9,002
|
| Five years before current fiscal year |
9,799
|
1,135
|
| Financing Receivable, before Allowance for Credit Loss |
238,744
|
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 |
609
|
1,967
|
| One year before current fiscal year |
2,013
|
639
|
| Two years before current fiscal year |
545
|
105
|
| Three years before current fiscal year |
83
|
57
|
| Four years before current fiscal year |
44
|
3
|
| Five years before current fiscal year |
1
|
0
|
| Financing Receivable, before Allowance for Credit Loss |
3,295
|
2,771
|
| CLTV ratio greater than 80 to 90 Percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
386
|
1,783
|
| One year before current fiscal year |
2,046
|
522
|
| Two years before current fiscal year |
495
|
581
|
| Three years before current fiscal year |
562
|
574
|
| Four years before current fiscal year |
556
|
19
|
| Five years before current fiscal year |
26
|
9
|
| Financing Receivable, before Allowance for Credit Loss |
4,071
|
3,488
|
| CLTV ratio greater than 80 to 90 Percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
12,699
|
64,122
|
| One year before current fiscal year |
70,532
|
68,612
|
| Two years before current fiscal year |
63,520
|
50,909
|
| Three years before current fiscal year |
47,463
|
44,111
|
| Four years before current fiscal year |
42,070
|
9,024
|
| Five years before current fiscal year |
9,826
|
1,144
|
| Financing Receivable, before Allowance for Credit Loss |
246,110
|
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 |
12,397
|
77,814
|
| One year before current fiscal year |
82,702
|
51,196
|
| Two years before current fiscal year |
47,792
|
16,197
|
| Three years before current fiscal year |
14,915
|
10,399
|
| Four years before current fiscal year |
9,725
|
1,386
|
| Five years before current fiscal year |
1,533
|
292
|
| Financing Receivable, before Allowance for Credit Loss |
169,064
|
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 |
262
|
1,007
|
| One year before current fiscal year |
955
|
104
|
| Two years before current fiscal year |
68
|
15
|
| Three years before current fiscal year |
10
|
7
|
| Four years before current fiscal year |
7
|
0
|
| Five years before current fiscal year |
0
|
0
|
| Financing Receivable, before Allowance for Credit Loss |
1,302
|
1,133
|
| CLTV ratio greater than 90 to 100 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
269
|
1,312
|
| One year before current fiscal year |
1,577
|
226
|
| Two years before current fiscal year |
209
|
153
|
| Three years before current fiscal year |
145
|
132
|
| Four years before current fiscal year |
128
|
3
|
| Five years before current fiscal year |
5
|
2
|
| Financing Receivable, before Allowance for Credit Loss |
2,333
|
1,828
|
| CLTV ratio greater than 90 to 100 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
12,928
|
80,133
|
| One year before current fiscal year |
85,234
|
51,526
|
| Two years before current fiscal year |
48,069
|
16,365
|
| Three years before current fiscal year |
15,070
|
10,538
|
| Four years before current fiscal year |
9,860
|
1,389
|
| Five years before current fiscal year |
1,538
|
294
|
| Financing Receivable, before Allowance for Credit Loss |
172,699
|
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 |
67
|
557
|
| One year before current fiscal year |
738
|
2,426
|
| Two years before current fiscal year |
2,323
|
1,822
|
| Three years before current fiscal year |
1,889
|
1,663
|
| Four years before current fiscal year |
1,830
|
156
|
| Five years before current fiscal year |
244
|
84
|
| Financing Receivable, before Allowance for Credit Loss |
7,091
|
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 |
3
|
8
|
| One year before current fiscal year |
8
|
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 |
12
|
11
|
| CLTV ratio greater than 100 percent | Adjustable-rate and other |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
0
|
2
|
| One year before current fiscal year |
4
|
2
|
| Two years before current fiscal year |
3
|
12
|
| Three years before current fiscal year |
16
|
19
|
| Four years before current fiscal year |
23
|
0
|
| Five years before current fiscal year |
1
|
2
|
| Financing Receivable, before Allowance for Credit Loss |
47
|
37
|
| CLTV ratio greater than 100 percent | Single family |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Current fiscal year |
70
|
567
|
| One year before current fiscal year |
750
|
2,430
|
| Two years before current fiscal year |
2,327
|
1,835
|
| Three years before current fiscal year |
1,905
|
1,682
|
| Four years before current fiscal year |
1,853
|
156
|
| Five years before current fiscal year |
245
|
86
|
| Financing Receivable, before Allowance for Credit Loss |
$ 7,150
|
$ 6,756
|