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Revenue | 3 Months Ended
--- | ---
Mar. 31, 2019
Revenue [Line Items] |
Revenue | Revenue
| Three Months Ended March 31
(in millions) | 2019 |  | 2018
Residential: |  |  |
High-speed internet | $ | 4,577 |  |  | $ | 4,157 |
Video | 5,628 |  |  | 5,659 |
Voice | 990 |  |  | 1,006 |
Wireless | 225 |  |  | 185 |
Business services | 1,891 |  |  | 1,726 |
Advertising | 556 |  |  | 582 |
Other | 413 |  |  | 388 |
Total Cable Communications(a)(b) | 14,280 |  |  | 13,703 |
Distribution | 1,735 |  |  | 1,861 |
Advertising | 852 |  |  | 977 |
Content licensing and other | 281 |  |  | 319 |
Total Cable Networks | 2,868 |  |  | 3,157 |
Advertising | 1,317 |  |  | 2,365 |
Content licensing | 560 |  |  | 522 |
Distribution and other | 590 |  |  | 610 |
Total Broadcast Television | 2,467 |  |  | 3,497 |
Theatrical | 445 |  |  | 423 |
Content licensing | 817 |  |  | 733 |
Home entertainment | 267 |  |  | 248 |
Other | 239 |  |  | 243 |
Total Filmed Entertainment | 1,768 |  |  | 1,647 |
Total Theme Parks | 1,276 |  |  | 1,281 |
Headquarters and Other | 17 |  |  | 14 |
Eliminations(c) | (83 | ) |  | (99 | )
Total NBCUniversal | 8,313 |  |  | 9,497 |
Direct-to-consumer | 3,834 |  |  | — |
Content | 370 |  |  | — |
Advertising | 593 |  |  | — |
Total Sky | 4,797 |  |  | — |
Corporate and Other(b) | 108 |  |  | 243 |
Eliminations(c) | (639 | ) |  | (652 | )
Total revenue | $ | 26,859 |  |  | $ | 22,791 |
(a) | For the three months ended March 31, 2019 and 2018, 2.6% and 2.7%, respectively, of Cable Communications segment revenue was derived from franchise and other regulatory fees.
(b) | Comcast Cable’s wireless phone service is now presented in the Cable Communications segment. Results were previously presented in Corporate and Other. We recognize revenue from our wireless phone service as the services are provided, similar to how we recognize revenue for other residential cable services. We recognize revenue from the sale of handsets at the point of sale.
(c) | 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) | 2019 |  | 2018
United States | $ | 20,457 |  |  | $ | 20,885 |
Europe | 5,370 |  |  | 821 |
Other | 1,032 |  |  | 1,085 |
Total revenue | $ | 26,859 |  |  | $ | 22,791 |
No single customer accounted for a significant amount of revenue in any period presented. 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 deferred costs associated with our contracts with customers.
(in millions) | March 31, 2019 |  | December 31, 2018
Receivables, gross | $ | 11,161 |  |  | $ | 11,456 |
Less: Allowance for doubtful accounts | 425 |  |  | 352 |
Receivables, net | $ | 10,736 |  |  | $ | 11,104 |
(in millions) | March 31, 2019 |  | December 31, 2018
Noncurrent receivables, net (included in other noncurrent assets, net) | $ | 1,379 |  |  | $ | 1,399 |
Contract acquisition and fulfillment costs (included in other noncurrent assets, net) | $ | 1,001 |  |  | $ | 991 |
Noncurrent deferred revenue (included in other noncurrent liabilities) | $ | 786 |  |  | $ | 650 |
NBCUniversal Media LLC [Member] |
Revenue [Line Items] |
Revenue | Revenue
| Three Months Ended March 31
(in millions) | 2019 |  | 2018
Distribution | $ | 1,735 |  |  | $ | 1,861 |
Advertising | 852 |  |  | 977 |
Content licensing and other | 281 |  |  | 319 |
Total Cable Networks | 2,868 |  |  | 3,157 |
Advertising | 1,317 |  |  | 2,365 |
Content licensing | 560 |  |  | 522 |
Distribution and other | 590 |  |  | 610 |
Total Broadcast Television | 2,467 |  |  | 3,497 |
Theatrical | 445 |  |  | 423 |
Content licensing | 817 |  |  | 733 |
Home entertainment | 267 |  |  | 248 |
Other | 239 |  |  | 243 |
Total Filmed Entertainment | 1,768 |  |  | 1,647 |
Total Theme Parks | 1,276 |  |  | 1,281 |
Headquarters and Other | 51 |  |  | 51 |
Eliminations(a) | (85 | ) |  | (103 | )
Total revenue | $ | 8,345 |  |  | $ | 9,530 |
(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 primarily in Europe and Asia. The table below summarizes revenue by geographic location.
| Three Months Ended March 31
(in millions) | 2019 |  | 2018
United States | $ | 6,623 |  |  | $ | 7,654 |
Foreign | 1,722 |  |  | 1,876 |
Total revenue | $ | 8,345 |  |  | $ | 9,530 |
No single customer accounted for a significant amount of revenue in any period presented. 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.
(in millions) | March 31, 2019 |  | December 31, 2018
Receivables, gross | $ | 7,376 |  |  | $ | 7,392 |
Less: Allowance for doubtful accounts | 106 |  |  | 99 |
Receivables, net | $ | 7,270 |  |  | $ | 7,293 |
(in millions) | March 31, 2019 |  | December 31, 2018
Noncurrent receivables, net (included in other noncurrent assets, net) | $ | 1,185 |  |  | $ | 1,180 |
Noncurrent deferred revenue (included in other noncurrent liabilities) | $ | 568 |  |  | $ | 481 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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