Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2025

Accounting Policies [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The table below presents our assets and liabilities measured on our consolidated balance sheets at fair value on a recurring basis subsequent to initial recognition, including instruments where we have elected the fair value option.

Table 16.1 - Assets and Liabilities Measured at Fair Value on a Recurring Basis

	December 31, 2025
(In millions)	Level 1	Level 2	Level 3	Netting Adjustment(1)	Total
Assets:
Investment securities:
Available-for-sale	$—	$2,616	$700	$—	$3,316
Trading:
Mortgage-related securities	—	8,146	2,786	—	10,932
Non-mortgage-related securities	70,916	248	—	—	71,164
Total trading securities	70,916	8,394	2,786	—	82,096
Total investment securities	70,916	11,010	3,486	—	85,412
Mortgage loans held-for-investment	—	5,587	1,418	—	7,005
Other assets:
Guarantee assets	—	—	4,728	—	4,728
Derivative assets, net	5	5,261	74	(3,874)	1,466
Other assets	—	—	227	—	227
Total other assets	5	5,261	5,029	(3,874)	6,421
Total assets carried at fair value on a recurring basis	$70,921	$21,858	$9,933	($3,874)	$98,838
Liabilities:
Debt issued by consolidated trusts	$—	$5,808	$33	$—	$5,841
Long-term debt	—	125	70	—	195
Other liabilities:
Derivative liabilities, net	—	4,708	52	(3,979)	781
Total liabilities carried at fair value on a recurring basis	$—	$10,641	$155	($3,979)	$6,817

	December 31, 2024
(In millions)	Level 1	Level 2	Level 3	Netting Adjustment(1)	Total
Assets:
Investment securities:
Available-for-sale	$—	$3,316	$583	$—	$3,899
Trading:
Mortgage-related securities	—	6,131	3,027	—	9,158
Non-mortgage-related securities	42,289	425	—	—	42,714
Total trading securities	42,289	6,556	3,027	—	51,872
Total investment securities	42,289	9,872	3,610	—	55,771
Mortgage loans held-for-sale	—	10,099	1,295	—	11,394
Mortgage loans held-for-investment	—	1,572	841	—	2,413
Other assets:
Guarantee assets	—	—	5,126	—	5,126
Derivative assets, net	9	6,387	94	(5,989)	501
Other assets	—	24	219	—	243
Total other assets	9	6,411	5,439	(5,989)	5,870
Total assets carried at fair value on a recurring basis	$42,298	$27,954	$11,185	($5,989)	$75,448
Liabilities:
Debt issued by consolidated trusts	$—	$1,996	$17	$—	$2,013
Long-term debt	—	241	85	—	326
Other liabilities:
Derivative liabilities, net	—	7,116	120	(6,282)	954
Other liabilities	—	5	19	—	24
Total other liabilities	—	7,121	139	(6,282)	978
Total liabilities carried at fair value on a recurring basis	$—	$9,358	$241	($6,282)	$3,317

(1)     Represents counterparty netting and cash collateral netting, and includes accrued interest receivable and payable.