Intangible Assets (Indefinite-Lived Intangible Assets) (Details) (USD $)	3 Months Ended	6 Months Ended			3 Months Ended		3 Months Ended
	Sep. 30, 2013	Jul. 10, 2013 Predecessor [Member]	Jul. 10, 2013 Predecessor [Member] FCC Licenses [Member]	Jul. 10, 2013 Predecessor [Member] Trademarks [Member]	Sep. 30, 2013 Successor [Member]	Dec. 31, 2012 Successor [Member]	Sep. 30, 2013 Successor [Member] FCC Licenses [Member]	Sep. 30, 2013 Successor [Member] Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Period Start		$ 20,677,000,000	$ 20,268,000,000	$ 409,000,000		$ 0	$ 35,469,000,000	$ 5,935,000,000
Indefinite-lived Intangible Assets, Period Increase (Decrease)			12,580,000,000	0			55,000,000	0
Indefinite-lived Intangible Assets, Period End			32,848,000,000	409,000,000	41,459,000,000	0	35,524,000,000	5,935,000,000
Goodwill, beginning balance		359,000,000			6,819,000,000	0
Goodwill Net Additions/(reductions)		715,000,000			0
Goodwill, ending balance		1,074,000,000			6,819,000,000	0
Total indefinite-lived intangible assets including FCC licenses, Trademarks, Goodwill, beginning balance		21,036,000,000			48,223,000,000
Indefinite lived intangible assets period increase decrease	55,000,000	13,295,000,000
Total indefinite-lived intangible assets including FCC licenses, Trademarks, Goodwill, ending balance	$ 48,278,000,000	$ 34,331,000,000