Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		3 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2014 Successor [Member]	Jun. 30, 2013 Successor [Member]	Jun. 30, 2013 Predecessor [Member]
Income Tax Contingency [Line Items]
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance			$ (27)	$ 0	$ 621
Decrease in valuation allowance attributable to disposition of intangible assets			73
Operating Loss Carryforwards, Valuation Allowance			46
Income tax benefit (expense)			15	61	(55)
FCC License Amortization Period for Tax Purposes In Years	15 years
Unrecognized tax benefit	160	160
Income Taxes Paid, Net			$ 28