Revenue

3 Months Ended

Mar. 31, 2021

Revenues [Abstract]

Revenue

Revenue

	Three Months Ended March 31,
(in millions)	2021		2020
Residential:
Broadband	$	5,600	$	5,001
Video	5,623		5,632
Voice	871		899
Wireless	513		343
Business services	2,167		2,043
Advertising	618		557
Other	413		443
Total Cable Communications	15,805		14,918
Advertising	2,094		2,167
Distribution	2,495		2,287
Other	447		424
Total Media	5,036		4,878
Content licensing	2,075		1,819
Theatrical	39		316
Home entertainment and other	282		274
Total Studios	2,396		2,409
Total Theme Parks	619		925
Headquarters and Other	16		9
Eliminations(a)	(1,043)		(492)
Total NBCUniversal	7,024		7,729
Direct-to-consumer	4,065		3,679
Content	358		325
Advertising	574		513
Total Sky	4,997		4,517
Corporate and Other	89		120
Eliminations(a)	(710)		(675)
Total revenue	$	27,205	$	26,609

(a)Included in Eliminations are transactions that our segments enter into with one another. See Note 2 for a description of these transactions.

We operate primarily in the United States but also in select international markets. The table below summarizes revenue by geographic location.

	Three Months Ended March 31,
(in millions)	2021		2020
United States	$	21,156	$	20,690
Europe	5,352		5,033
Other	697		886
Total revenue	$	27,205	$	26,609

Condensed Consolidated Balance Sheet

The following tables summarize our accounts receivable and other balances that are not separately presented in our condensed consolidated balance sheet 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.

(in millions)	March 31, 2021		December 31, 2020
Receivables, gross	$	11,764	$	12,273
Less: Allowance for doubtful accounts	778		807
Receivables, net	$	10,986	$	11,466

(in millions)	March 31, 2021		December 31, 2020
Noncurrent receivables, net (included in other noncurrent assets, net)	$	1,061	$	1,091
Contract acquisition and fulfillment costs (included in other noncurrent assets, net)	$	1,048	$	1,060
Noncurrent deferred revenue (included in other noncurrent liabilities)	$	726	$	750