Debt (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Short-term borrowings	$ 0	$ 0
Aggregate fair value of Altria's total long-term debt	17,600,000,000	17,600,000,000
Carrying value of Altria's total long-term debt	$ 13,900,000,000	$ 13,900,000,000

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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