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Film and Television Costs (Narrative)(Details) (USD $)
|
Dec. 31, 2013
|
|---|---|
| Amortization of completed film and television production expected to be amortized during the next fiscal year | $ 1,300,000,000 |
| Expected amortization percentage of released and unamortized film and television costs | 85.00% |
| Remaining unamortized costs of acquired film and television libraries | 711,000,000 |
| Expected amortization percentage of unamortized film and television library costs during the next three fiscal years | 49.00% |
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NBCUniversal Media, LLC [Member]
|
|
| Amortization of completed film and television production expected to be amortized during the next fiscal year | 1,300,000,000 |
| Expected amortization percentage of released and unamortized film and television costs | 85.00% |
| Remaining unamortized costs of acquired film and television libraries | $ 711,000,000 |
| Expected amortization percentage of unamortized film and television library costs during the next three fiscal years | 49.00% |