Additional Financial Information (Narrative) (Details)	12 Months Ended
Additional Financial Information (Narrative) (Details)	Dec. 31, 2025 employee
Additional Financial Information [Line Items]
Approximate number of persons employed at a point in time	133,030
Percentage of employees represented by CWA, IBEW, or other unions	43.00%
Contract Covering Employees across 36 states and District of Columbia \| Communications
Additional Financial Information [Line Items]
Number of employees under contracts where union may call a work stoppage	9,000
Contract Covering Employees Across Five States \| Communications
Additional Financial Information [Line Items]
Number of employees under contracts where union may call a work stoppage	4,300
Contract Covering Employees Across All 50 States Including US Virgin Island and Puerto Rico \| Communications
Additional Financial Information [Line Items]
Number of employees under contracts where union may call a work stoppage	1,800