Fair Value Measurements - Recurring Basis (Details) - USD ($) $ / shares in Units, $ in Millions |
6 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis | ||
| Beginning Balance | $ 41 | $ 41 |
| Transfer out of Level 3 | (38) | |
| Ending Balance | $ 3 | $ 41 |
| Enzon Series C Preferred Stock | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis | ||
| Stock shares converted | 39,277 | |
| Preferred stock, par value | $ 0.01 | |
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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. 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/exampleRef
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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