v2.4.0.8
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%
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%