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v3.19.1

Segment Reporting (Revenue by Major Category) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |
Revenue | $ 2,868.0 | $ 3,063.5
Total residential cable revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 1,917.7 | 2,091.3
Total subscription revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 1,863.7 | 2,010.0
Video |  |
Segment Reporting Information [Line Items] |  |
Revenue | 692.1 | 747.2
Broadband internet |  |
Segment Reporting Information [Line Items] |  |
Revenue | 802.8 | 840.8
Fixed-line telephony |  |
Segment Reporting Information [Line Items] |  |
Revenue | 368.8 | 422.0
Non-subscription revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 54.0 | 81.3
Total residential revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 2,302.4 | 2,514.7
Subscription revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 228.0 | 243.9
Non-subscription revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 156.7 | 179.5
Total residential mobile revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 384.7 | 423.4
Total B2B revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 485.8 | 487.6
Subscription revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 113.8 | 108.2
Non-subscription revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | 372.0 | 379.4
Other revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | $ 79.8 | $ 61.2

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