Business and Basis of Presentation (Details) - numberofcustomers numberofcustomers in Millions |
Dec. 31, 2015 |
Nov. 13, 2015 |
|---|---|---|
| Total Customer Relationships | 27.7 | |
| Video Customers [Member] | ||
| Number of customers | 22.3 | |
| High-speed Internet Customers [Member] | ||
| Number of customers | 23.3 | |
| Voice Customers [Member] | ||
| Number of customers | 11.5 | |
| Universal Studios Japan [Member] | ||
| Ownership Percentage | 51.00% | |
| Universal Studios Japan [Member] | NBCUniversal Media LLC [Member] | ||
| Ownership Percentage | 51.00% |