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Contingencies (Other Matters Narrative) (Details)
 3 Months Ended 77 Months Ended
Mar. 31, 2015
Apr. 20, 2015
Lights Multi District Litigation [Member]    
Loss Contingencies [Line Items]    
Additional class action certifications denied, reversed, dismissed or resolved 4mo_AdditionalClassActionCertificationDeniedReversedDismissedOrResolved
/ us-gaap_LitigationCaseAxis
= mo_LightsMultiDistrictLitigationMember		  
Lights [Member]    
Loss Contingencies [Line Items]    
Cases Voluntarily Dismissed 13mo_CasesVoluntarilyDismissed
/ us-gaap_LitigationCaseAxis
= mo_LightsMember		  
Subsequent Event [Member]    
Loss Contingencies [Line Items]    
Lights Ultra Lights Class Certification Cases Pending in United States   12mo_LightsUltraLightsClassCertificationCasesPendingInUnitedStates
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Subsequent Event [Member] | Lights [Member]    
Loss Contingencies [Line Items]    
Purported number of class action lawsuits served   26mo_PurportedNumberOfClassActionLawsuitsServed
/ us-gaap_LitigationCaseAxis
= mo_LightsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Additional Class Action Certifications Denied Reversed Dismissed Or Resolved   19mo_AdditionalClassActionCertificationsDeniedReversedDismissedOrResolved
/ us-gaap_LitigationCaseAxis
= mo_LightsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember