Derivatives - Narrative (Details) - USD ($) |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Derivative [Line Items] | ||
| Margin deposit assets | $ 737,000,000 | $ 392,000,000 |
| Variation margin payable, derivative | 52,000,000 | |
| Variation margin receivable, derivative | 17,000,000 | |
| Interest rate swaps | ||
| Derivative [Line Items] | ||
| Derivative assets | 0 | |
| Net asset position | 947,000,000 | |
| Total derivatives liabilities | (46,000,000) | |
| U.S. Treasury futures | ||
| Derivative [Line Items] | ||
| Derivative assets | 0 | |
| Net asset position | $ 240,000,000 | $ 22,000,000 |
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- Definition Derivative Instruments Not Designated as Hedging Instruments, Carrying Value No definition available.
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/2009/role/commonPracticeRef
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- Definition The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of payable for negative price movement on derivative. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of receivable from positive price movement on derivative. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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