v3.25.4
Property, Plant And Equipment (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]      
Depreciation expense $ (20,746) $ (20,421) $ (18,593)
Copper Network Assets      
Property, Plant and Equipment [Line Items]      
Asset retirement 16,600    
Software      
Property, Plant and Equipment [Line Items]      
Depreciation expense $ (3,209) $ (3,076) $ (3,023)