Goodwill And Other Intangible Assets (Schedule Of Indefinite-Life Intangible Assets Not Subject To Amortization) (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Indefinite-lived Intangible Assets [Line Items] | ||
| Total | $ 130,711 | $ 130,316 |
| Wireless Licenses | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Total | 125,470 | 125,075 |
| Trade names | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Total | $ 5,241 | $ 5,241 |
| 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/exampleRef
|
| X | ||||||||||
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|