Commitments Contingencies and Other Matters (Details) (USD $)	Jun. 30, 2013 Store	Jun. 12, 2013 channel Store station
Commitments and Contingencies Disclosure [Abstract]
Proposed business combination, cost of acquired entity, cash payment		$ 1,500,000,000
Business acquisition, proposed, recognized identifiable assets acquired and liabilities assumed, liabilities		$ 715,000,000
Number of television stations, owned by proposed acquiree		20
Coverage of Television Stations of Proposed Acquiree, As a Percent Of U.S. Households		14.00%
Number of local news channels by proposed acquiree		3
Number of regional news channel by proposed acquiree		2
Number of television stations	23
Number of television stations, post proposed merger		43
Number of operating and servicing stations, post proposed merger		21
Percentage of voting rights in acquiree entity owned by director and executive officers		42.00%