Supplemental Disclosures to Combined Statements of Cash Flows - Reconciliation Of cash and cash equivalents and restricted cash (Details) - USD ($) $ in Millions |
Sep. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Supplemental Disclosures to Combined Statements of Cash Flows | |||
| Cash and cash equivalents | $ 124 | $ 74 | $ 79 |
| Restricted cash included in other current assets | $ 16 | ||
| Restricted Cash, Current, Statement of Financial Position [Extensible Enumeration] | Prepaid Expense and Other Assets, Current | ||
| Restricted cash included in other long-term assets | $ 1 | $ 2 | |
| Restricted Cash, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | Other Assets, Noncurrent | |
| Total cash and cash equivalents and restricted cash at end of period | $ 75 | $ 97 |
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Indicates line item in statement of financial position that includes cash restricted to withdrawal or usage, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Indicates line item in statement of financial position that includes cash restricted to withdrawal or usage, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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