Consolidated Obligations Discount Notes (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Short-term Debt [Line Items] | ||
| Total | $ 97,342 | $ 84,620 |
| Short-term Debt [Member] | ||
| Short-term Debt [Line Items] | ||
| Par value | $ 98,284 | $ 85,186 |
| Par Value, Weighted Average Interest Rate | 3.59% | 3.76% |
| Discounts and concessions | $ (914) | $ (586) |
| Fair Value, Option, Aggregate Differences, Consolidated Obligation Discount Notes | (2) | 3 |
| Consolidated Obligation Discount Notes [Member] | ||
| Short-term Debt [Line Items] | ||
| Fair Value, Option, Aggregate Differences, Consolidated Obligation Discount Notes | (40) | (122) |
| Consolidated Obligation Bonds [Member] | ||
| Short-term Debt [Line Items] | ||
| Discounts and concessions | (21) | (23) |
| Fair value hedging adjustments | (70) | 56 |
| Consolidated Obligation Discount Notes [Member] | ||
| Short-term Debt [Line Items] | ||
| Fair value hedging adjustments | $ (26) | $ 17 |
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- Definition The net gain (loss) recognized in earnings for the cumulative period of the debt obligation due to the ineffectiveness of fair value hedges. No definition available.
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- Definition This item represents the gain (loss) brought about by the difference between the aggregate fair value and the aggregate unpaid principal balance of Consolidated Obligations Discount Notes that have contractual principal amounts and for which the fair value option has been elected. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of joint and several obligations consisting of discount notes issued by Federal Home Loan Banks (FHLBanks). No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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