v3.3.1.900

Goodwill and Intangible Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Schedule of Goodwill |
Goodwill
|  |  |  | NBCUniversal |  |  |  |
(in millions) |  | Cable Communications |  | Cable Networks |  | Broadcast Television |  | Filmed Entertainment |  | Theme Parks |  | Corporate and Other |  | Total
Balance, December 31, 2013 | $ | 12,206 | $ | 13,130 | $ | 769 | $ | 1 | $ | 982 | $ | 10 | $ | 27,098
Acquisitions |  | 11 |  | 20 |  | - |  | 15 |  | - |  | 181 |  | 227
Adjustments(a) |  | - |  | (202) |  | (2) |  | 195 |  | - |  | - |  | (9)
Balance, December 31, 2014 |  | 12,217 |  | 12,948 |  | 767 |  | 211 |  | 982 |  | 191 |  | 27,316
Acquisitions(b) |  | 173 |  | 17 |  | 39 |  | 58 |  | 5,373 |  | 1 |  | 5,661
Adjustments(a) |  | (1) |  | (18) |  | - |  | (2) |  | (11) |  | - |  | (32)
Balance, December 31, 2015 | $ | 12,389 | $ | 12,947 | $ | 806 | $ | 267 | $ | 6,344 | $ | 192 | $ | 32,945
(a) Adjustments to goodwill in 2015 and 2014 included foreign currency translation. Adjustments to goodwill in 2014 included the reclassification of Fandango, our movie ticketing and entertainment business, from our Cable Networks segment to our Filmed Entertainment segment. (b) Acquisitions in 2015 in our Theme Parks segment related to the Universal Studios Japan transaction (s ee Note 5 for additional information).
Other Intangible Assets |
Intangible Assets
|  |  |  |  | 2015 |  | 2014
December 31 (in millions) | Weighted-Average Original Useful Life as of December 31, 2015 |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
Indefinite-Lived Intangible Assets: |  |  |  |  |  |  |  |  |  |
| Franchise rights |  | N/A | $ | 59,364 |  |  | $ | 59,364 |  |
| Trade names |  | N/A |  | 2,857 |  |  |  | 3,083 |  |
| FCC licenses |  | N/A |  | 651 |  |  |  | 651 |  |
Finite-Lived Intangible Assets: |  |  |  |  |  |  |  |  |  |
| Customer relationships | 19 | years |  | 13,396 | $ | (4,442) |  | 15,129 | $ | (5,495)
| Software | 4 | years |  | 6,008 |  | (3,429) |  | 5,040 |  | (2,832)
| Cable franchise renewal costs and contractual operating rights | 9 | years |  | 1,499 |  | (849) |  | 1,418 |  | (792)
| Patents and other technology rights | 7 | years |  | 409 |  | (350) |  | 373 |  | (330)
| Other agreements and rights | 18 | years |  | 1,994 |  | (798) |  | 1,456 |  | (721)
Total |  |  | $ | 86,178 | $ | (9,868) | $ | 86,514 | $ | (10,170)
Amortization of Intangible Assets |
Estimated Amortization Expense of Finite-Lived Intangible Assets
(in millions) |  |
2016 | $ | 1,785
2017 | $ | 1,612
2018 | $ | 1,365
2019 | $ | 1,039
2020 | $ | 902
NBCUniversal Media LLC [Member] |
Schedule of Goodwill |
Goodwill
(in millions) |  | Cable Networks |  | Broadcast Television |  | Filmed Entertainment |  | Theme Parks |  | Total
Balance, December 31, 2013 | $ | 13,130 | $ | 769 | $ | 1 | $ | 982 | $ | 14,882
Acquisitions |  | 20 |  | - |  | 15 |  | - |  | 35
Adjustments(a) |  | (202) |  | (2) |  | 195 |  | - |  | (9)
Balance, December 31, 2014 |  | 12,948 |  | 767 |  | 211 |  | 982 |  | 14,908
Acquisitions(b) |  | 17 |  | 39 |  | 58 |  | 5,373 |  | 5,487
Adjustments(a) |  | (18) |  | - |  | (2) |  | (11) |  | (31)
Balance, December 31, 2015 | $ | 12,947 | $ | 806 | $ | 267 | $ | 6,344 | $ | 20,364
(a) Adjustments to goodwill in 2015 and 2014 included foreign currency translation. Adjustments to goodwill in 2014 included the reclassification of Fandango, our movie ticketing and entertainment business, from our Cable Networks segment to our Filmed Entertainment segment. (b) Acquisitions in 2015 in our Theme Parks segment related to the Universal Studios Japan transaction (s ee Note 4 for additional information).
Other Intangible Assets |
Intangible Assets
|  |  |  |  | 2015 |  | 2014
December 31 (in millions) | Weighted-Average Original Useful Life as of December 31, 2015 |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
Finite-Lived Intangible Assets: |  |  |  |  |  |  |  |  |  |
| Customer relationships | 19 | years | $ | 13,107 | $ | (4,291) | $ | 13,093 | $ | (3,636)
| Software | 5 | years |  | 849 |  | (431) |  | 657 |  | (329)
| Other | 19 | years |  | 1,996 |  | (932) |  | 1,556 |  | (864)
Indefinite-Lived Intangible Assets: |  |  |  |  |  |  |  |  |  |
| Trade names | N/A |  |  | 2,857 |  |  |  | 3,059 |  |
| FCC licenses | N/A |  |  | 651 |  |  |  | 651 |  |
Total |  |  | $ | 19,460 | $ | (5,654) | $ | 19,016 | $ | (4,829)
Amortization of Intangible Assets |
Estimated Amortization Expense of Finite-Lived Intangible Assets
(in millions) |  |
2016 | $ | 812
2017 | $ | 789
2018 | $ | 776
2019 | $ | 777
2020 | $ | 781

X
- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
Name: | us-gaap_IntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=cmcsa_NBCUniversalMediaLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |