v3.3.1.900

Investments (Details) £ / shares in Units, $ / shares in Units, € in Millions, £ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2014 EUR (€) | Sep. 30, 2014 USD ($) | Dec. 31, 2013 USD ($) shares | Dec. 31, 2014 shares | Jul. 17, 2014 USD ($) $ / shares shares | Jul. 17, 2014 GBP (£) £ / shares shares
All3Media [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Business acquisition, cash consideration | € 90.0 | $ 147.2 |  |  |  |
DLG [Member] | All3Media [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Percentage of equity, percentage of shares acquired | 100.00% | 100.00% |  |  |  |
Ziggo [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Number of common stock shares owned (in shares) |  |  | 57,000,738 |  |  |
Percent of investment owned (less than 5% for Sumitomo) |  |  | 28.50% |  |  |
Shares not pledged as collateral (in shares) |  |  | 4,743,738 |  |  |
Cash dividends from investment | $ |  |  | $ 78.4 |  |  |
ITV [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Number of common stock shares owned (in shares) |  |  |  |  | 259,820,065 | 259,820,065
Percent of investment owned (less than 5% for Sumitomo) | 6.40% | 6.40% |  |  |  |
Share price (in GBP/USD per share) | (per share) |  |  |  |  | $ 3.14 | £ 1.85
Cost method investments |  |  |  |  | $ 816.3 | £ 480.7
DLG Acquisition Limited [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Percent of investment owned (less than 5% for Sumitomo) |  |  |  | 50.00% |  |
Sumitomo [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Number of common stock shares owned (in shares) |  |  | 45,652,043 | 45,652,043 |  |
Percent of investment owned (less than 5% for Sumitomo) |  |  |  | 5.00% |  |
ITI Neovision S.A. (ITI Neovision) (formerly Canal Cyfrowy S.A.) [Member] |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Percentage of equity, percentage of shares acquired |  |  |  | 17.00% |  |

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