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Background and Basis of Presentation (Equity Method Investment) (Narrative) (Details) (SABMiller Plc [Member]) | Mar. 31, 2015
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SABMiller Plc [Member] |
Schedule of Equity Method Investments [Line Items] |
Equity method investment, ownership percentage (approximately) | 27.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mo_SABMillerPlcMember

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Details
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