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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
Income Taxes [Line Items]        
Effective tax rate 28.40% 31.90% 29.00% 30.30%
Impact on effective tax rate due to additional expense associated with the American Taxpayer Relief Act of 2012     $ 17  
United States [Member]
       
Income Taxes [Line Items]        
Open Tax Year     2007 and onward  
Internal Revenue Service (IRS) [Member] | Altria [Member]
       
Income Taxes [Line Items]        
Additional Income Tax Provision Upon Conclusion of IRS Examination   $ 79   $ 79