Restructuring Costs (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 222 | $ 276 | |
| Restructuring program term | 3 years | 3 years | |
| Restructuring and related cost, expected cost | $ 500 | ||
| Restructuring costs incurred | $ 150 | ||
| Workforce Actions, Rationalization Of Technology And Functional Services, And Real Estate | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | $ 221 | ||
| X | ||||||||||
- Definition Restructuring And Related Cost, Term No definition available.
|
| X | ||||||||||
- Definition Amount expected to be recognized in earnings for the specified restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- Details
|