Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.3.1.900
Income Taxes (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Expense (Benefit) [Abstract]      
Current Federal $ (191) $ (157) $ (97)
Current State and Local (26) (32) (26)
Current Foreign (74) (110) (82)
Current Income Tax Expense (Benefit) (291) (299) (205)
Deferred Federal (67) 59 (19)
Deferred State and Local 8 (23) 47
Deferred Foreign 8 5 (6)
Deferred Income Tax Expense (Benefit) (51) 41 22
Income tax benefit (expense) (342) (258) (183)
Domestic 1,111 676 575
Foreign 142 160 162
Total 1,253 836 737
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Computed expected tax benefit (expense) (439) (293) (258)
State and local income taxes, net of federal income taxes (24) (7) (15)
Foreign taxes, net of foreign tax credits (4) (2) (7)
Sale of consolidated subsidiary   14  
Impairment of intangibles not deductible for tax purposes   (3) (2)
Dividends received deductions 56 10 9
Alternative energy tax credits 61 58 54
Change in valuation allowance affecting tax expense 6 (2) (27)
Impact of change in state rate on deferred taxes (7) (28) 66
Other, net 9 (5) (3)
Components of Deferred Tax Assets and Liabilities [Abstract]      
Net operating and capital loss carryforwards 99 90  
Foreign tax credit carryforwards 72 88  
Accrued stock compensation 83 41  
Other accrued liabilities 165 181  
Other future deductible amounts 163 96  
Deferred tax assets 582 496  
Valuation allowance (48) (54)  
Net deferred tax assets 534 442  
Investments 883 703  
Intangible assets 1,788 1,284  
Discount on exchangeable debentures 1,148 1,009  
Deferred gain on debt retirements 193 257  
Other 24 10  
Deferred tax liabilities 4,036 3,263  
Deferred Tax Assets, Net, Total 3,502 2,821  
Valuation Allowance, Deferred Tax Asset, Change in Amount (6)    
Operating Loss Carryforwards, Valuation Allowance 48    
Income Tax Uncertainties [Abstract]      
Balance at beginning of year 136 124 122
Additions based on tax positions related to the current year 14 16 19
Additions for tax positions of prior years   20 1
Reductions for tax positions of prior years (12) (3) (3)
Lapse of statute and settlements (34) (21) (15)
Balance at end of year 104 136 124
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 47 $ 68 $ 84
Reasonably possible change in unrecognized tax benefit within 12 months 5    
Accrued interest and penalties related to uncertain tax positions $ 17