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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2021
Summary of Significant Accounting Policies [Abstract]  
Schedule of Property, Plant and Equipment Useful Lives
Depreciation is recorded using the straight-line composite method over management’s estimate of the useful lives of the related assets as follows:

Cable distribution systems
6-22 years
Customer premise equipment and installations
3-8 years
Vehicles and equipment
6-21 years
Buildings and improvements
8-40 years
Furniture, fixtures and equipment
2-10 years
Schedule of Revenues by Product Line
The Company’s revenues by product line are as follows:

Year Ended December 31,
202120202019
Internet$21,094 $18,521 $16,667 
Video17,630 17,432 17,607 
Voice1,598 1,806 1,920 
Residential revenue40,322 37,759 36,194 
Small and medium business4,170 3,964 3,868 
Enterprise2,573 2,468 2,556 
Commercial revenue6,743 6,432 6,424 
Advertising sales1,594 1,699 1,568 
Mobile2,178 1,364 726 
Other845 843 852 
$51,682 $48,097 $45,764