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v3.19.3.a.u2

Segment Reporting (Revenue by Major Category) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Principal Transaction Revenue [Line Items] |  |  |
Revenue | $ 11,541.5 | $ 11,957.9 | $ 11,276.4
Total residential cable revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 7,522.6 | 7,976.7 | 7,709.6
Total subscription revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 7,324.5 | 7,697.6 | 7,366.0
Video |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 2,723.9 | 2,863.2 | 2,786.5
Broadband internet |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 3,187.4 | 3,226.6 | 2,979.7
Fixed-line telephony |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 1,413.2 | 1,607.8 | 1,599.8
Non-subscription revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 198.1 | 279.1 | 343.6
Total residential revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 9,142.9 | 9,655.0 | 9,316.4
Total residential mobile revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 1,620.3 | 1,678.3 | 1,606.8
Subscription revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 932.1 | 983.5 | 999.7
Non-subscription revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 688.2 | 694.8 | 607.1
Total B2B revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 1,914.0 | 1,983.5 | 1,740.1
Subscription revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 472.5 | 446.4 | 367.6
Non-subscription revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | 1,441.5 | 1,537.1 | 1,372.5
Other revenue |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Revenue | $ 484.6 | $ 319.4 | $ 219.9

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