Restructuring Charges (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
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| Restructuring Charges [Abstract] | ||||||
| Restructuring and related activities, initiation date | Dec. 31, 2024 | |||||
| Workforce reduction percentage | 10.00% | |||||
| Severance costs | $ 45 | $ 1 | $ 45 | $ 11 | ||
| Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Costs and Expenses | Costs and Expenses | Costs and Expenses | Costs and Expenses | ||
| Remained restructuring accrued | $ 12 | $ 12 | $ 19 | $ 1 | ||
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- Definition Date the restructuring activities were initiated or are expected to be initiated, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). No definition available.
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- References No definition available.
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- Definition Indicates line item in statement of income or comprehensive income that includes restructuring charges. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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