v3.3.1.900

Share-based Compensation (Summary Of Stock-Based Compensation) (Schedule and Footnotes) (Details) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2014 € / shares shares | Dec. 31, 2014 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | $ 257.2 | $ 302.5 | $ 112.4 |  |
Continuing operations [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 257.2 | 300.7 | 110.1 |  |
Discontinued operations [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 0.0 | 1.8 | 2.3 |  |
Operating Expense [Member] | Continuing operations [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 7.6 | 12.1 | 8.5 |  |
Selling, General and Administrative Expenses [Member] | Continuing operations [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 249.6 | 288.6 | 101.6 |  |
Liberty Global [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 229.6 | 241.5 | 79.0 |  |
Telenet [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense |  | 32.7 | 12.6 |  |
Telenet [Member] | Performance Shares [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Awards outstanding (in shares) | shares |  |  |  | 87,529 | 87,529
Telenet [Member] | Performance Shares [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Awards outstanding (in shares) | shares |  |  |  | 565,000 | 565,000
Awards outstanding (in EUR/USD per share) | (per share) |  |  |  | € 37.43 | $ 45.29
Telenet [Member] | Options [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense |  | 6.2 |  |  |
Awards outstanding (in shares) | shares |  |  |  | 1,082,322 | 1,082,322
Awards outstanding (in EUR/USD per share) | (per share) |  |  |  | € 27.17 | $ 32.88
Performance Shares [Member] | Liberty Global [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 129.9 | 58.6 | 33.0 |  |
Other share-based incentive awards [Member] | Liberty Global [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 99.7 | 182.9 | 46.0 |  |
Share-based incentive awards [Member] | Telenet [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 14.6 | 56.5 | 31.2 |  |
Other [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 13.0 | 4.5 | $ 2.2 |  |
Virgin Media Replacement Awards [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | 55.8 | $ 134.3 |  |  |
Virgin Media Replacement Awards [Member] | Operating Expense [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Allocated share-based compensation expense | $ 80.1 |  |  |  |

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