Fair Value Measures and Disclosures (Details) - USD ($) $ in Millions |
Sep. 30, 2025 |
Dec. 31, 2024 |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Long-term Debt | $ (143) | $ (269) |
| Long-term Debt, Fair Value | (164) | (295) |
| Long-term Debt [Member] | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Financial Instruments Gross Unrealized Gains | 0 | 0 |
| Financial Instruments Gross Unrealized Loss | (21) | (26) |
| Money Market Funds [Member] | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Cash Equivalents, at Carrying Value | 11 | 11 |
| Financial Instruments Gross Unrealized Gains | 0 | 0 |
| Financial Instruments Gross Unrealized Loss | 0 | 0 |
| Cash Equivalents, Fair Value | $ 11 | $ 11 |
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- Definition Cash Equivalents, Fair Value No definition available.
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- Definition This item represents the gross unrealized gains of debt and equity securities, derivatives, and long-term debt. No definition available.
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- Definition This item represents the gross unrealized losses of debt and equity securities, derivatives, and long-term debt. No definition available.
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- Definition Amount of 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. Excludes cash and cash equivalents within disposal group and discontinued operation. 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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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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