Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Taxes [Line Items]      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ (28)    
Deferred Tax Liabilities, Gross 4,673 911  
Unrecognized Tax Benefits 30 29 34
capital loss from taxable liquidation of consolidated subsidiary, gross   289  
capital loss deferred tax asset   101  
Deferred Tax Assets, Net, Current (916) (13)  
Deferred Tax Liabilities, Noncurrent 2,312 817  
Deferred Federal Income Tax Expense (Benefit) (165) 407 4
Valuation Allowances and Reserves, Period Increase (Decrease) (3)    
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Computed expected tax benefit (expense) (3,100) (570) (265)
Gain on consolidation of equity method affiliate not taxable 3,054 0 0
Taxable liquidation of a consolidated subsidiary 0 101 0
Income tax reconciliation, non-taxable gain on exchange of consolidated subsidiary 174 0 0
Dividends received deductions 46 40 9
Income tax reconciliation, sale of subsidiary shares to subsidiary treated as dividend for tax (56) 0 0
State and local income taxes, net of federal income taxes 11 (46) (22)
Change in valuation allowance affecting tax expense 9 1 (3)
Recognition of tax benefits not previously recognized, net 0 5 109
Other, net (3) 0 7
Income tax benefit (expense) (135) 469 165
Deferred tax liabilities 1,396 804  
Deferred Tax Assets, Operating Loss Carryforwards, Domestic 2,487 45  
SIRIUS XM [Member]
      
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Valuation Allowances and Reserves, Reserves of Businesses Acquired 12    
SIRIUS XM [Member]
      
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Deferred Tax Assets, Operating Loss Carryforwards, Domestic $ 6,500