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Contingencies (International Tobacco-Related Cases Narrative) (Details) (Subsequent Event [Member], Canada) | Apr. 20, 2015 cases
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Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | PM USA And Altria Group, Inc. [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Pending Claims, Number | 7 us-gaap_LossContingencyPendingClaimsNumber / dei_LegalEntityAxis = mo_PMUSAndAltriaGroupMember / us-gaap_LitigationCaseAxis = mo_SmokingAndHealthClassActionsAndAggregatedClaimsLitigationMember / us-gaap_StatementGeographicalAxis = country_CA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Health Care Cost Recovery Actions [Member] | Health Care Cost Recovery Actions [Member] | PM USA [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Pending Claims, Number | 10 us-gaap_LossContingencyPendingClaimsNumber / dei_LegalEntityAxis = mo_PhilipMorrisUSAMember / us-gaap_LitigationCaseAxis = mo_HealthCareCostRecoveryActionsMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = mo_HealthCareCostRecoveryActionsMember / us-gaap_StatementGeographicalAxis = country_CA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Health Care Cost Recovery Actions [Member] | Health Care Cost Recovery Actions [Member] | PM USA And Altria Group, Inc. [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Pending Claims, Number | 8 us-gaap_LossContingencyPendingClaimsNumber / dei_LegalEntityAxis = mo_PMUSAndAltriaGroupMember / us-gaap_LitigationCaseAxis = mo_HealthCareCostRecoveryActionsMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = mo_HealthCareCostRecoveryActionsMember / us-gaap_StatementGeographicalAxis = country_CA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
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