Statements of Comprehensive Income - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Net Income/(Loss) | $ 64 | $ 110 | $ 221 | $ 298 |
| Other Comprehensive Income/(Loss): | ||||
| Net unrealized gain/(loss) on AFS securities | (48) | 39 | 1 | 23 |
| Net change in pension and postretirement benefits | 1 | (1) | 1 | (1) |
| Total other comprehensive income/(loss) | (49) | 40 | 0 | 24 |
| Total Comprehensive Income/(Loss) | $ 15 | $ 150 | $ 221 | $ 322 |
| X | ||||||||||
- Definition Amount of increase (decrease) in equity after Federal Home Loan Bank (FHLBank) assessments from transactions and other events and circumstances from non-owner sources attributable to the reporting entity. Includes changes in equity except those resulting from investments by owners and distributions to owners. Excludes transactions directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. No definition available.
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| X | ||||||||||
- Definition Amount of profit (loss) after Federal Home Loan Bank (FHLBank) assessments attributable to the parent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before tax and after reclassification adjustment, of gain (loss) in value of unsold investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive (income) loss for defined benefit plan, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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- References No definition available.
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