Non-Derivative Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - Recurring Basis [Member] - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Assets: | ||
| Cash equivalents | $ 218 | $ 623 |
| Total assets | 218 | 623 |
| Level 1 | ||
| Assets: | ||
| Cash equivalents | 218 | 623 |
| Total assets | 218 | 623 |
| Level 2 | ||
| Assets: | ||
| Cash equivalents | 0 | 0 |
| Total assets | $ 0 | $ 0 |
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/2009/role/commonPracticeRef
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