Commitments, Contingencies and Guarantees (Narrative) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |||
| Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances | $ 1,200 | $ 1,300 | |
| Other Notes Payable | 6,300 | $ 5,800 | |
| Funding Agreement Backed Note Offered Senior Secured Medium Note | $ 10,000 | $ 7,000 |
| X | ||||||||||
- Definition Maximum amount Funding Agreement Backed Note program to offer of its senior secured medium term notes. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of advance from Federal Home Loan Bank (FHLBank). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of long-term notes payable classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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