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Contingencies Contingencies (State Class Certifications) (Details) (USD $)
 1 Months Ended
Feb. 28, 2014
Brown Case [Member] | Lights [Member]  
Loss Contingencies [Line Items]  
Court Ordered Costs Returned To Defendant $ 764,553mo_CourtOrderedCostsReturnedToDefendant
/ dei_LegalEntityAxis
= mo_BrownCaseMember
/ us-gaap_LitigationCaseAxis
= mo_LightsMember
Maximum [Member] | Aspinall [Member] | Lights Ultra Lights Class Actions [Member]  
Loss Contingencies [Line Items]  
Loss Contingency, Damages Sought, Value $ 25us-gaap_LossContingencyDamagesSoughtValue
/ dei_LegalEntityAxis
= mo_AspinallMember
/ us-gaap_LitigationCaseAxis
= mo_LightsUltraLightsClassActionsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember