v3.10.0.1

Share-based Compensation (Summary Of Stock-Based Compensation) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | $ 206.0 | $ 162.2 | $ 268.1
Other operating expenses |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 4.4 | 4.7 | 3.4
SG&A expenses |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 201.6 | 157.5 | 264.7
Liberty Global Plc |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 184.3 | 131.4 | 247.0
Performance-based incentive awards | Liberty Global Plc |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 50.8 | 23.9 | 150.6
Non-performance based share-based incentive awards | Liberty Global Plc |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 90.1 | 93.8 | 96.4
Other | Liberty Global Plc |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 43.4 | 13.7 | 0.0
Telenet share-based incentive awards | Telenet |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | 19.6 | 20.7 | 12.2
Other |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense | $ 2.1 | $ 10.1 | $ 8.9

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