Fair Value (Fair Value Option Difference Between Fair Value and Unpaid Principal Balance) (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Unpaid principal balance, advances | $ 62,923 | $ 56,454 |
| Advances, carried at fair value | 148 | 130 |
| Unpaid principal balance, bonds | 71,055 | 83,170 |
| Bonds, carried at fair value | 545 | 8,390 |
| Advances | ||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Unpaid principal balance, advances | 154 | 140 |
| Fair value over (under) UPB | (6) | (10) |
| Advances, carried at fair value | 148 | 130 |
| Consolidated obligation bonds | ||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Unpaid principal balance, bonds | 540 | 8,290 |
| Fair value over (under) UPB | 5 | 100 |
| Bonds, carried at fair value | $ 545 | $ 8,390 |
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- Definition Fair value of Federal Home Loan Bank (FHLBank) advances carried under the fair value option. No definition available.
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Par amount of advances made and reported by Federal Home Loan Bank (FHLBank). No definition available.
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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