Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Liberty
Dec. 31, 2012
Liberty
Income Tax Disclosure [Line Items]            
Income tax expense $ (70) $ (73) $ (213) $ (247)    
Effective income tax rate 34.30%   36.00%      
U.S. federal income tax rate 35.00%          
Current tax payments due to related parties         $ 8 $ 70