Revenues (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

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


	Year Ended December 31,
	2022		2021		2020
Internet	$	22,222	$	21,094	$	18,521
Video	17,460		17,630		17,432
Voice	1,559		1,598		1,806
Residential revenue	41,241		40,322		37,759

Small and medium business	4,301		4,170		3,964
Enterprise	2,677		2,573		2,468
Commercial revenue	6,978		6,743		6,432

Advertising sales	1,882		1,594		1,699
Mobile	3,042		2,178		1,364
Other	879		845		843
	$	54,022	$	51,682	$	48,097

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,
	2022		2021
Accounts receivable, net:
Equipment installment plan receivables, net	$	577	$	391
Other noncurrent assets:
Equipment installment plan receivables, net	$	261	$	189
Contract acquisition and fulfillment costs	$	505	$	496
Accounts payables and accrued liabilities:
Customer prepayments and upfront deferred installation fees	$	511	$	461

Allowance for Doubtful Accounts

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


	Year Ended December 31,
	2022		2021		2020
Balance, beginning of period	$	157	$	217	$	180
Charged to expense	758		484		560
Uncollected balances written off, net of recoveries	(696)		(544)		(523)
Balance, end of period	$	219	$	157	$	217