Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Assets and Liabilities Measured at Fair Value | ||
| Cash equivalents | $ 47 | $ 57 |
| Restricted cash equivalents | 973 | 38 |
| Exchangeable senior debentures | 965 | 956 |
| Quoted prices in active markets for identical assets (Level 1) | ||
| Assets and Liabilities Measured at Fair Value | ||
| Cash equivalents | 47 | 57 |
| Restricted cash equivalents | 973 | 38 |
| Significant other observable inputs (Level 2) | ||
| Assets and Liabilities Measured at Fair Value | ||
| Exchangeable senior debentures | $ 965 | $ 956 |
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- Definition Fair value portion of amount of cash and cash equivalents restricted as to withdrawal or usage. No definition available.
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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