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Debt securities available-for-sale (Tables)
 9 Months Ended
Sep. 30, 2025
Investments [Abstract]  
Debt Securities, Available-For-Sale
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At September 30, 2025
Gross
Gross
Weighted
Amortized
unrealized
unrealized
Fair
 
average
(In thousands)
cost
gains
 
losses
value
yield
U.S. Treasury securities
Within 1 year
$
10,182,136
$
2,162
$
8,399
$
10,175,899
3.68
%
After 1 to 5 years
5,531,033
23,619
23,786
5,530,866
3.73
Total U.S. Treasury
 
securities
15,713,169
25,781
32,185
15,706,765
3.70
Collateralized mortgage obligations - federal agencies
After 1 to 5 years
6,213
-
135
6,078
1.52
After 5 to 10 years
12,050
-
549
11,501
2.51
After 10 years
93,542
119
6,540
87,121
2.92
Total collateralized
 
mortgage obligations - federal agencies
111,805
119
7,224
104,700
2.80
Mortgage-backed securities - federal agencies
Within 1 year
15,380
-
78
15,302
2.23
After 1 to 5 years
82,670
8
2,102
80,576
2.30
After 5 to 10 years
836,304
247
48,922
787,629
2.10
After 10 years
4,859,779
907
869,985
3,990,701
1.70
Total mortgage-backed
 
securities - federal agencies
5,794,133
1,162
921,087
4,874,208
1.77
Other
Within 1 year
500
-
-
500
4.33
After 1 to 5 years
250
-
-
250
4.79
Total other
 
750
-
-
750
4.48
Total debt securities
 
available-for-sale
[1]
$
21,619,857
$
27,062
$
960,496
$
20,686,423
3.18
%
[1]
 
Includes $
14.9
 
billion pledged to secure government and trust
 
deposits, credit facilities and loan servicing agreements that the
 
secured parties
are not permitted to sell or repledge the collateral, of which
 
$
13.9
 
billion serve as collateral for public funds.
 
The Corporation had unpledged
Available for Sale securities with a fair value of
 
$
5.7
 
billion that could be used to increase its borrowing
 
facilities.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At December 31, 2024
Gross
 
Gross
 
Weighted
 
Amortized
 
unrealized
unrealized
Fair
 
average
 
(In thousands)
cost
gains
 
losses
value
yield
U.S. Treasury securities
 
Within 1 year
$
10,555,397
$
1,282
$
46,275
$
10,510,404
3.33
%
After 1 to 5 years
2,547,936
151
63,381
2,484,706
3.07
Total U.S. Treasury
 
securities
13,103,333
1,433
109,656
12,995,110
3.28
Collateralized mortgage obligations - federal agencies
After 1 to 5 years
10,538
-
345
10,193
1.53
After 5 to 10 years
15,334
-
904
14,430
2.24
After 10 years
104,168
132
8,639
95,661
2.76
Total collateralized
 
mortgage obligations - federal agencies
130,040
132
9,888
120,284
2.60
Mortgage-backed securities - federal agencies
Within 1 year
776
-
5
771
1.65
After 1 to 5 years
79,542
8
2,700
76,850
2.35
After 5 to 10 years
733,506
82
45,078
688,510
2.37
After 10 years
5,468,448
337
1,106,657
4,362,128
1.67
Total mortgage-backed
 
securities - federal agencies
6,282,272
427
1,154,440
5,128,259
1.75
Other
Within 1 year
500
-
-
500
5.00
After 1 to 5 years
1,750
-
-
1,750
5.50
Total other
 
2,250
-
-
2,250
5.39
Total debt securities
 
available-for-sale
[1]
$
19,517,895
$
1,992
$
1,273,984
$
18,245,903
2.78
%
[1]
Includes $
13.9
 
billion pledged to secure government and trust deposits,
 
assets sold under agreements to repurchase, credit facilities
 
and loan
servicing agreements that the secured parties are not permitted
 
to sell or repledge the collateral, of which $
12.9
 
billion serve as collateral for
public funds. The Corporation had unpledged Available
 
for Sale securities with a fair value of
 
$
4.3
 
billion that could be used to increase its
borrowing facilities.
Debt Securities Available For Sale Unrealized Loss Position Fair Value
The
 
following
 
tables
 
present
 
the
 
Corporation’s
 
fair
 
value
 
and
 
gross
 
unrealized
 
losses
 
of
 
debt
 
securities
 
available-for-sale,
aggregated by investment category and length of
 
time that individual securities have been in a continuous
 
unrealized loss position at
September 30, 2025 and December 31, 2024.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At September 30, 2025
Less than 12 months
12 months or more
Total
Gross
Gross
Gross
Fair
 
 
unrealized
Fair
 
 
unrealized
Fair
 
 
unrealized
(In thousands)
value
 
losses
value
 
losses
value
 
losses
U.S. Treasury securities
$
4,241,874
$
9,041
$
1,656,231
$
23,144
$
5,898,105
$
32,185
Collateralized mortgage obligations - federal agencies
 
6,506
9
87,499
7,215
94,005
7,224
Mortgage-backed securities -federal agencies
18,000
480
4,798,315
920,607
4,816,315
921,087
Total debt securities
 
available-for-sale in an unrealized loss position
 
$
4,266,380
$
9,530
$
6,542,045
$
950,966
$
10,808,425
$
960,496
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At December 31, 2024
Less than 12 months
12 months or more
Total
Gross
Gross
Gross
Fair
 
 
unrealized
Fair
 
 
unrealized
Fair
 
 
unrealized
(In thousands)
value
 
losses
value
 
losses
value
 
losses
U.S. Treasury securities
$
2,309,894
$
24,646
$
3,638,092
$
85,010
$
5,947,986
$
109,656
Collateralized mortgage obligations - federal agencies
 
4,878
27
102,160
9,861
107,038
9,888
Mortgage-backed securities - federal agencies
70,777
3,175
5,031,414
1,151,265
5,102,191
1,154,440
Total debt securities
 
available-for-sale in an unrealized loss position
 
$
2,385,549
$
27,848
$
8,771,666
$
1,246,136
$
11,157,215
$
1,273,984