Revenues (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

The Company’s revenues by product line are as follows:


	Year Ended December 31,
	2023		2022		2021
Internet	$	23,032	$	22,222	$	21,094
Video	16,351		17,460		17,630
Voice	1,510		1,559		1,598
Mobile service	2,243		1,698		1,239
Residential revenue	43,136		42,939		41,561

Small and medium business	4,353		4,350		4,198
Enterprise	2,770		2,677		2,573
Commercial revenue	7,123		7,027		6,771

Advertising sales	1,551		1,882		1,594
Other	2,797		2,174		1,756
	$	54,607	$	54,022	$	51,682

Schedule of other balance sheet accounts

Other balances that are not separately presented on the consolidated balance sheets that relate to the recognition of revenue and collection of the related cash, as well as the deferred costs associated with our contracts with customers consist of the following for the periods presented:


	December 31,
	2023		2022
Accounts receivable, net:
Equipment installment plan receivables, net	$	673	$	577
Other noncurrent assets:
Equipment installment plan receivables, net	$	687	$	261
Contract acquisition and fulfillment costs	$	616	$	505
Accounts payables, accrued and other current liabilities:
Customer prepayments and upfront deferred installation fees	$	509	$	511

Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts is summarized as follows for the years presented:


	Year Ended December 31,
	2023		2022		2021
Balance, beginning of period	$	219	$	157	$	217
Charged to expense	743		758		484
Uncollected balances written off, net of recoveries	(694)		(696)		(544)
Balance, end of period	$	268	$	219	$	157