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Debt (Details) (USD $)
0 Months Ended
Jul. 16, 2012
Jun. 30, 2012
Dec. 31, 2011
Debt Disclosure [Abstract]      
Short-term borrowings   $ 0 $ 0
Repayments of Long-term Debt 600,000,000    
Aggregate fair value of Altria's total long-term debt   18,200,000,000 17,700,000,000
Carrying value of Altria's total long-term debt   $ 13,700,000,000 $ 13,700,000,000