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Contingencies (Other Matters) (Details) (USD $)
12 Months Ended 1 Months Ended 0 Months Ended 74 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Nov. 30, 2012
Sep. 18, 2014
Jul. 03, 2014
Jan. 27, 2015
Loss Contingencies [Line Items]            
Litigation Settlement, Amount $ 90,000,000us-gaap_LitigationSettlementAmount $ 664,000,000us-gaap_LitigationSettlementAmount        
Tobacco Price Cases 1mo_TobaccoPriceCases          
Israel            
Loss Contingencies [Line Items]            
Attorney Fees Ordered Paid to Defendents by Court     100,000mo_AttorneyFeesOrderedPaidToDefendentsByCourt
/ us-gaap_StatementGeographicalAxis
= country_IL
     
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/Multi District Litigation [Member] | Wyatt [Member]            
Loss Contingencies [Line Items]            
Litigation Settlement, Amount       1,000us-gaap_LitigationSettlementAmount
/ dei_LegalEntityAxis
= mo_WyattMember
/ us-gaap_LitigationCaseAxis
= mo_LightsMultiDistrictLitigationMember
   
Lights [Member]            
Loss Contingencies [Line Items]            
Additional class action certifications denied, reversed, dismissed or resolved 19mo_AdditionalClassActionCertificationDeniedReversedDismissedOrResolved
/ us-gaap_LitigationCaseAxis
= mo_LightsMember
         
Cases Voluntarily Dismissed 13mo_CasesVoluntarilyDismissed
/ us-gaap_LitigationCaseAxis
= mo_LightsMember
         
Lights/Ultra Lights Class Actions [Member] | Phillips [Member]            
Loss Contingencies [Line Items]            
Litigation Settlement, Amount         6,000us-gaap_LitigationSettlementAmount
/ dei_LegalEntityAxis
= mo_PhillipsMember
/ us-gaap_LitigationCaseAxis
= mo_LightsUltraLightsClassActionsMember
 
Lights/Ultra Lights Class Actions [Member] | Illinois Price [Member]            
Loss Contingencies [Line Items]            
Loss contingency, period of occurrence March 2003          
Loss Contingency, Date of Dismissal Dec. 31, 2006          
Lights/Ultra Lights Class Actions [Member] | Illinois Price [Member] | Lights/Ultra Lights Class Actions [Member]            
Loss Contingencies [Line Items]            
Loss Contingency, Damages Awarded, Compensatory Damages 7,100,000,000mo_LossContingencyDamagesAwardedCompensatoryDamages
/ dei_LegalEntityAxis
= mo_IllinoisPriceMember
/ us-gaap_LitigationCaseAxis
= mo_LightsUltraLightsClassActionsMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= mo_LightsUltraLightsClassActionsMember
         
Loss Contingency, Damages Awarded, Punitive Damages $ 3,000,000,000mo_LossContingencyDamagesAwardedPunitiveDamages
/ dei_LegalEntityAxis
= mo_IllinoisPriceMember
/ us-gaap_LitigationCaseAxis
= mo_LightsUltraLightsClassActionsMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= mo_LightsUltraLightsClassActionsMember
         
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