Commitments and Contingencies (Narrative) (Details) |
Dec. 31, 2015
numberofemployees
|
|---|---|
| Number of employees covered under collective bargaining agreements | 7,500 |
| Percentage of employees covered under collective bargaining agreements that have expired or are scheduled to expire during the next fiscal year | 10.00% |
| NBCUniversal Media LLC [Member] | |
| Number of employees covered under collective bargaining agreements | 7,500 |
| Percentage of employees covered under collective bargaining agreements that have expired or are scheduled to expire during the next fiscal year | 10.00% |