v3.6.0.2
Acquisitions (2015 Acquisition and 2014 Acquisition) (Schedules) (Details) (Details)
€ in Millions, $ in Millions
3 Months Ended
Jun. 03, 2015
USD ($)
Jun. 30, 2015
EUR (€)
Jun. 30, 2015
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Business Acquisition [Line Items]            
Goodwill       $ 23,366.3 $ 27,020.4 $ 29,001.6
Choice Acquisition [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration $ 10.5          
Cost of acquired entity 276.4          
Cash and cash equivalents 3.6          
Other current assets 7.8          
Property and equipment, net 79.8          
Goodwill 51.6          
Intangible assets subject to amortization 59.1          
Franchise rights 147.8          
Other assets, net 0.3          
Other accrued and current liabilities (13.2)          
Non-current deferred tax liabilities (60.4)          
Total purchase price $ 276.4          
Ziggo Acquisition [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration     $ 1,872.9      
Fair value of the pre-existing investment in Ziggo     2,015.4      
Cost of acquired entity     8,794.1      
Cash and cash equivalents     1,889.7      
Other current assets     69.7      
Property and equipment, net     2,714.9      
Goodwill     7,866.5      
Intangible assets subject to amortization     4,857.0      
Other assets, net     382.8      
Current portion of debt and capital lease obligations     (604.0)      
Other accrued and current liabilities     (461.8)      
Long-term debt and capital lease obligations     (5,351.5)      
Other long-term liabilities     (1,488.6)      
Noncontrolling interest     (1,080.6)      
Total purchase price     8,794.1      
Ziggo Acquisition [Member] | Class A Ordinary Shares [Member]            
Business Acquisition [Line Items]            
Liberty Global Class A & C ordinary shares     1,448.7      
Ziggo Acquisition [Member] | Class C Ordinary Shares [Member]            
Business Acquisition [Line Items]            
Liberty Global Class A & C ordinary shares     3,457.1      
Ziggo NCI Acquisition [Member]            
Business Acquisition [Line Items]            
Business acquisition, cash consideration   € 209.0 260.7      
Cost of acquired entity     950.7      
Reduction of noncontrolling interests     927.2      
Additional paid-in capital     $ 23.5