Income Taxes Income Taxes (Deferred Income Tax Assets and Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets
Tax credit carryforwards, long-term	$ 216
Capital loss carryforwards, long-term	82
Successor [Member]
Deferred tax assets
Net operating loss carryforwards, long-term	6,908
Tax credit carryforwards, long-term	374
Capital loss carryforwards, long-term	82
Property, plant and equipment, long-term	762
Debt obligations, long-term	633
Deferred rent, long-term	473
Pension and other postretirement benefits, long-term	194
Accruals and other liabilities, current	857
Accruals and other liabilities, long-term	616
Deferred tax assets, gross, current	857
Deferred tax assets, gross, noncurrent	10,042
Valuation allowance, current	(594)
Valuation allowance, noncurrent	(7,004)
Deferred tax assets, net of valuation allowance, current	263
Deferred tax assets, net of valuation allowance, noncurrent	3,038
Deferred tax liabilities
FCC licenses, long-term	12,089
Trademarks, long-term	2,459
Intangibles, long-term	2,407
Other, current	77
Other, long-term	310
Deferred tax liabilities, current	77
Deferred tax liabilities, long-term	17,265
Current deferred tax asset	186	0
Long-term deferred tax liability	(14,227)
Predecessor [Member]
Deferred tax assets
Net operating loss carryforwards, long-term		4,398
Tax credit carryforwards, long-term		431
Capital loss carryforwards, long-term		126
Deferred rent, long-term		562
Pension and other postretirement benefits, long-term		430
Accruals and other liabilities, current		577
Accruals and other liabilities, long-term		499
Deferred tax assets, gross, current		577
Deferred tax assets, gross, noncurrent		6,446
Valuation allowance, current		(472)
Valuation allowance, noncurrent		(5,183)
Deferred tax assets, net of valuation allowance, current		105
Deferred tax assets, net of valuation allowance, noncurrent		1,263
Deferred tax liabilities
Property, plant and equipment, long-term		420
FCC licenses, long-term		6,313
Trademarks, long-term		188
Intangibles, long-term		354
Investments, long-term	0	802
Other, current		104
Other, long-term		233
Deferred tax liabilities, current		104
Deferred tax liabilities, long-term		8,310
Current deferred tax asset		1
Long-term deferred tax liability		$ (7,047)