v3.3.1.900

Segment Reporting (Revenue by Major Category) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 4,615.2 | $ 4,497.2 | $ 4,602.2 | $ 4,533.7 | $ 4,468.0 | $ 4,276.5 | $ 3,057.8 | $ 2,671.9 | $ 18,248.3 | $ 14,474.2 | $ 9,930.8
Video [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 6,544.0 | 5,724.1 | 4,637.6
Broadband Internet [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 4,724.6 | 3,538.7 | 2,407.0
Fixed-line telephony [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 3,261.4 | 2,508.5 | 1,518.9
Cable Subscription [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 14,530.0 | 11,771.3 | 8,563.5
SOHO Cable Subscription [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 204.1 | 152.5 | 59.7
Mobile Subscription[Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,085.6 | 669.9 | 131.5
Mobile Interconnect [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 245.0 | 175.2 | 35.1
Total Subscription [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 15,615.6 | 12,441.2 | 8,695.0
Business to Business [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,517.9 | 986.9 | 467.9
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Principal Transaction Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 1,114.8 | $ 1,046.1 | $ 767.9

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