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Intangible Assets and Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible assets | Intangible assets, net of accumulated amortization, impairment charges and adjustments, are summarized as follows:
|  |  | As of June 30, 2015 |  | As of December 31, 2014
(In millions) | Estimated Life |  | Cost |  | Accumulated Amortization |  | Net |  | Cost |  | Accumulated Amortization |  | Net
Out-licensed patents | 13-23 years |  | $ | 543.3 |  |  | $ | (493.9 | ) |  | $ | 49.4 |  |  | $ | 543.3 |  |  | $ | (481.7 | ) |  | $ | 61.6 |
Developed technology | 15-23 years |  | 3,005.3 |  |  | (2,492.1 | ) |  | 513.2 |  |  | 3,005.3 |  |  | (2,396.8 | ) |  | 608.5 |
In-process research and development | Indefinite until commercialization |  | 752.0 |  |  | — |  |  | 752.0 |  |  | 314.1 |  |  | — |  |  | 314.1 |
Trademarks and tradenames | Indefinite |  | 64.0 |  |  | — |  |  | 64.0 |  |  | 64.0 |  |  | — |  |  | 64.0 |
Acquired and in-licensed rights and patents | 3-17 years |  | 3,296.7 |  |  | (380.5 | ) |  | 2,916.2 |  |  | 3,280.4 |  |  | (300.1 | ) |  | 2,980.3 |
Total intangible assets |  |  | $ | 7,661.3 |  |  | $ | (3,366.5 | ) |  | $ | 4,294.8 |  |  | $ | 7,207.1 |  |  | $ | (3,178.6 | ) |  | $ | 4,028.5 |
Estimated future amortization for acquired intangible assets | Based upon this recent analysis, the estimated future amortization for acquired intangible assets is expected to be as follows:
(In millions) | As of June 30, 2015
2015 (remaining six months) | $ | 185.5 |
2016 | 312.5 |
2017 | 285.8 |
2018 | 281.6 |
2019 | 270.6 |
2020 | 263.8 |
Total | $ | 1,599.8 |
Summary of roll forward of the changes in goodwill | The following table provides a roll forward of the changes in our goodwill balance:
(In millions) |
Balance, as of December 31, 2014 | $ | 1,760.2 |
Increase to goodwill | 390.0 |
Other | 4.1 |
Balance, as of June 30, 2015 | $ | 2,154.3 |

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- 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
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- 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
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