| Fair Value, by Balance Sheet Grouping [Table Text Block] |
The following table summarizes the carrying value, fair value, and fair value hierarchy of the Bank’s financial instruments (dollars in millions). | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | | | Fair Value | | Financial Instruments | | Carrying Value | | Level 1 | | Level 2 | | Level 3 | | Netting Adjustments and Cash Collateral1 | | Total | | Assets | | | | | | | | | | | | | | Cash and due from banks | | $ | 58 | | | $ | 58 | | | $ | — | | | $ | — | | | $ | — | | | $ | 58 | | | Interest-bearing deposits | | 5,213 | | | — | | | 5,213 | | | — | | | — | | | 5,213 | | | Securities purchased under agreements to resell | | 19,300 | | | — | | | 19,300 | | | — | | | — | | | 19,300 | | | Federal funds sold | | 12,050 | | | — | | | 12,050 | | | — | | | — | | | 12,050 | | | Trading securities | | 6,067 | | | — | | | 6,067 | | | — | | | — | | | 6,067 | | | Available-for-sale securities | | 28,775 | | | — | | | 28,775 | | | — | | | — | | | 28,775 | | | Held-to-maturity securities | | 413 | | | — | | | 413 | | | 2 | | | — | | | 415 | | | Advances | | 124,489 | | | — | | | 124,606 | | | — | | | — | | | 124,606 | | | Mortgage loans held for portfolio, net | | 15,518 | | | — | | | 14,864 | | | 45 | | | — | | | 14,909 | | | | | | | | | | | | | | | | Accrued interest receivable | | 508 | | | — | | | 508 | | | — | | | — | | | 508 | | | Derivative assets, net | | 88 | | | — | | | 269 | | | — | | | (181) | | | 88 | | | Other assets | | 54 | | | 54 | | | — | | | — | | | — | | | 54 | | | Liabilities | | | | | | | | | | | | | | Deposits | | (1,339) | | | — | | | (1,339) | | | — | | | — | | | (1,339) | | | Consolidated obligations | | | | | | | | | | | | | Discount notes2 | | (97,342) | | | — | | | (97,318) | | | — | | | — | | | (97,318) | | | Bonds | | (100,762) | | | — | | | (100,142) | | | — | | | — | | | (100,142) | | | Total consolidated obligations | | (198,104) | | | — | | | (197,460) | | | — | | | — | | | (197,460) | | | | | | | | | | | | | | | | MRCS | | (59) | | | (59) | | | — | | | — | | | — | | | (59) | | | Accrued interest payable | | (677) | | | — | | | (677) | | | — | | | — | | | (677) | | | Derivative liabilities, net | | (7) | | | — | | | (52) | | | — | | | 45 | | | (7) | | | | | | | | | | | | | | |
1 Amounts represent the application of the netting requirements that allow the Bank to net settle positive and negative positions and also cash collateral and the related accrued interest held or placed with the same clearing agent and/or counterparty. 2 Includes $4.8 billion of consolidated obligation discount notes recorded under fair value option at June 30, 2026. The following table summarizes the carrying value, fair value, and fair value hierarchy of the Bank’s financial instruments (dollars in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | | Fair Value | | Financial Instruments | | Carrying Value | | Level 1 | | Level 2 | | Level 3 | | Netting Adjustments and Cash Collateral1 | | Total | | Assets | | | | | | | | | | | | | | Cash and due from banks | | $ | 44 | | | $ | 44 | | | $ | — | | | $ | — | | | $ | — | | | $ | 44 | | | Interest-bearing deposits | | 3,726 | | | — | | | 3,726 | | | — | | | — | | | 3,726 | | | Securities purchased under agreements to resell | | 17,090 | | | — | | | 17,090 | | | — | | | — | | | 17,090 | | | Federal funds sold | | 5,930 | | | — | | | 5,930 | | | — | | | — | | | 5,930 | | | Trading securities | | 6,303 | | | — | | | 6,303 | | | — | | | — | | | 6,303 | | | Available-for-sale securities | | 27,519 | | | — | | | 27,519 | | | — | | | — | | | 27,519 | | | Held-to-maturity securities | | 447 | | | — | | | 450 | | | 2 | | | — | | | 452 | | | Advances | | 110,230 | | | — | | | 110,441 | | | — | | | — | | | 110,441 | | | Mortgage loans held for portfolio, net | | 14,540 | | | — | | | 13,996 | | | 38 | | | — | | | 14,034 | | | | | | | | | | | | | | | | Accrued interest receivable | | 461 | | | — | | | 461 | | | — | | | — | | | 461 | | | Derivative assets, net | | 80 | | | — | | | 240 | | | — | | | (160) | | | 80 | | | Other assets | | 50 | | | 50 | | | — | | | — | | | — | | | 50 | | | Liabilities | | | | | | | | | | | | | | Deposits | | (1,147) | | | — | | | (1,147) | | | — | | | — | | | (1,147) | | | | | | | | | | | | | | | | Consolidated obligations | | | | | | | | | | | | | Discount notes2 | | (84,620) | | | — | | | (84,617) | | | — | | | — | | | (84,617) | | | Bonds | | (89,249) | | | — | | | (88,831) | | | — | | | — | | | (88,831) | | | Total consolidated obligations | | (173,869) | | | — | | | (173,448) | | | — | | | — | | | (173,448) | | | MRCS | | (30) | | | (30) | | | — | | | — | | | — | | | (30) | | | Accrued interest payable | | (589) | | | — | | | (589) | | | — | | | — | | | (589) | | | Derivative liabilities, net | | (3) | | | — | | | (29) | | | — | | | 26 | | | (3) | |
1 Amounts represent the application of the netting requirements that allow the Bank to net settle positive and negative positions and also cash collateral and the related accrued interest held or placed with the same clearing agent and/or counterparty. 2 Includes $17.4 billion of consolidated obligation discount notes recorded under fair value option at December 31, 2025.
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
The following table summarizes, for each hierarchy level, the Bank’s assets and liabilities that are measured at fair value on the Statements of Condition (dollars in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | Level 1 | | Level 2 | | Level 3 | | Netting Adjustments and Cash Collateral1 | | Total | Recurring fair value measurements | | | | | | | | | | | | Assets | | | | | | | | | | | | Trading securities | | | | | | | | | | | | U.S. Treasury obligations | | $ | — | | | $ | 5,874 | | | $ | — | | | $ | — | | | $ | 5,874 | | | Other U.S. obligations | | — | | | 54 | | | — | | | — | | | 54 | | | GSE and TVA obligations | | — | | | 46 | | | — | | | — | | | 46 | | Other non-MBS | | — | | | 93 | | | — | | | — | | | 93 | | | | | | | | | | | | | | Total trading securities | | — | | | 6,067 | | | — | | | — | | | 6,067 | | | Available-for-sale securities | | | | | | | | | | | | Other U.S. obligations | | — | | | 4 | | | — | | | — | | | 4 | | | GSE and TVA obligations | | — | | | 304 | | | — | | | — | | | 304 | | | State or local housing agency obligations | | — | | | 454 | | | — | | | — | | | 454 | | | Other non-MBS | | — | | | 19 | | | — | | | — | | | 19 | | | U.S. obligations single-family MBS | | — | | | 6,807 | | | — | | | — | | | 6,807 | | | GSE single-family MBS | | — | | | 200 | | | — | | | — | | | 200 | | | GSE multifamily MBS | | — | | | 20,987 | | | — | | | — | | | 20,987 | | | Total available-for-sale securities | | — | | | 28,775 | | | — | | | — | | | 28,775 | | | Derivative assets, net | | | | | | | | | | | | Interest-rate related | | — | | | 269 | | | — | | | (181) | | | 88 | | | | | | | | | | | | | | | | | | | | | | | | | Total derivative assets, net | | — | | | 269 | | | — | | | (181) | | | 88 | | | Other assets | | 54 | | | — | | | — | | | — | | | 54 | | | Total recurring assets at fair value | | $ | 54 | | | $ | 35,111 | | | $ | — | | | $ | (181) | | | $ | 34,984 | | | Liabilities | | | | | | | | | | | Discount notes2 | | $ | — | | | $ | (4,755) | | | $ | — | | | $ | — | | | $ | (4,755) | | | Derivative liabilities, net | | | | | | | | | | | | Interest-rate related | | — | | | (52) | | | — | | | 45 | | | (7) | | | | | | | | | | | | | | | | | | | | | | | | | Total derivative liabilities, net | | — | | | (52) | | | — | | | 45 | | | (7) | | | Total recurring liabilities at fair value | | $ | — | | | $ | (4,807) | | | $ | — | | | $ | 45 | | | $ | (4,762) | | | | | | | | | | | | | Non-recurring fair value measurements | | | | | | | | | | | Assets | | | | | | | | | | | Impaired mortgage loans held for portfolio3 | | $ | — | | | $ | — | | | $ | 4 | | | $ | — | | | $ | 4 | | Total non-recurring assets at fair value | | $ | — | | | $ | — | | | $ | 4 | | | $ | — | | | $ | 4 | |
1 Amounts represent the application of the netting requirements that allow the Bank to net settle positive and negative positions and also cash collateral and the related accrued interest held or placed with the same clearing agent and/or counterparty. 2 Represents financial instruments recorded under the fair value option. 3 These assets are subject to fair value adjustments in certain circumstances. The fair value information presented is as of the date the fair value adjustment was recorded during the six months ended June 30, 2026. The following table summarizes, for each hierarchy level, the Bank’s assets and liabilities that are measured at fair value on the Statements of Condition (dollars in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | Level 1 | | Level 2 | | Level 3 | | Netting Adjustments and Cash Collateral1 | | Total | Recurring fair value measurements | | | | | | | | | | | | Assets | | | | | | | | | | | | Trading securities | | | | | | | | | | | | U.S. Treasury obligations | | $ | — | | | $ | 6,104 | | | $ | — | | | $ | — | | | $ | 6,104 | | | Other U.S. obligations | | — | | | 57 | | | — | | | — | | | 57 | | | GSE and TVA obligations | | — | | | 48 | | | — | | | — | | | 48 | | Other non-MBS | | — | | | 94 | | | — | | | — | | | 94 | | | | | | | | | | | | | | Total trading securities | | — | | | 6,303 | | | — | | | — | | | 6,303 | | | Available-for-sale securities | | | | | | | | | | | | Other U.S. obligations | | — | | | 14 | | | — | | | — | | | 14 | | | GSE and TVA obligations | | — | | | 310 | | | — | | | — | | | 310 | | | State or local housing agency obligations | | — | | | 370 | | | — | | | — | | | 370 | | | Other non-MBS | | — | | | 19 | | | — | | | — | | | 19 | | | U.S. obligations single-family MBS | | — | | | 5,707 | | | — | | | — | | | 5,707 | | | GSE single-family MBS | | — | | | 217 | | | — | | | — | | | 217 | | | GSE multifamily MBS | | — | | | 20,882 | | | — | | | — | | | 20,882 | | | Total available-for-sale securities | | — | | | 27,519 | | | — | | | — | | | 27,519 | | | Derivative assets, net | | | | | | | | | | | | Interest-rate related | | — | | | 240 | | | — | | | (160) | | | 80 | | | | | | | | | | | | | | | | | | | | | | | | | Total derivative assets, net | | — | | | 240 | | | — | | | (160) | | | 80 | | | Other assets | | 50 | | | — | | | — | | | — | | | 50 | | | Total recurring assets at fair value | | $ | 50 | | | $ | 34,062 | | | $ | — | | | $ | (160) | | | $ | 33,952 | | | Liabilities | | | | | | | | | | | Discount notes2 | | $ | — | | | $ | (17,382) | | | $ | — | | | $ | — | | | $ | (17,382) | | | Derivative liabilities, net | | | | | | | | | | | | Interest-rate related | | — | | | (29) | | | — | | | 26 | | | (3) | | | | | | | | | | | | | | | | | | | | | | | | | Total derivative liabilities, net | | — | | | (29) | | | — | | | 26 | | | (3) | | | Total recurring liabilities at fair value | | $ | — | | | $ | (17,411) | | | $ | — | | | $ | 26 | | | $ | (17,385) | | | | | | | | | | | | | Non-recurring fair value measurements | | | | | | | | | | | Assets | | | | | | | | | | | Impaired mortgage loans held for portfolio3 | | $ | — | | | $ | — | | | $ | 6 | | | $ | — | | | $ | 6 | | Total non-recurring assets at fair value | | $ | — | | | $ | — | | | $ | 6 | | | $ | — | | | $ | 6 | |
1 Amounts represent the application of the netting requirements that allow the Bank to net settle positive and negative positions and also cash collateral and the related accrued interest held or placed with the same clearing agent and/or counterparty. 2 Represents financial instruments recorded under the fair value option. 3 These assets are subject to fair value adjustments in certain circumstances. The fair value information presented is as of the date the fair value adjustment was recorded during the year ended December 31, 2025.
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