Investment Securities - Narrative (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Investments, Debt and Equity Securities [Abstract] | |||||
| Available-for-sale securities sold | $ 0 | $ 75,000,000 | $ 0 | $ 75,000,000 | |
| Gross realized gains (losses) | 0 | $ 0 | 0 | $ 0 | |
| Equity securities with readily determinable fair values | 14,000,000 | 14,000,000 | $ 65,000,000 | ||
| Gain - net gain on investment securities | 4,000,000 | $ (5,000,000) | |||
| Payments for investments | $ 46,000,000 | ||||
| X | ||||||||||
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) from sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity), investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets. No definition available.
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