v3.25.4
Property, Plant And Equipment (Tables)
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant and equipment is summarized as follows at December 31:
Lives (years)
20252024
Land-$1,370 $1,372 
Buildings and improvements
2-44
40,674 39,947 
Central office equipment1
3-10
87,496 101,607 
Cable, wiring and conduit
15-50
101,530 95,217 
Other equipment
3-20
90,853 87,656 
Software
3-7
17,942 17,663 
Under construction-7,705 7,452 
347,570 350,914 
Accumulated depreciation and amortization216,011 222,043 
Property, plant and equipment – net$131,559 $128,871 
1 Includes certain network software.