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Contingencies (Pending And Upcoming Tobacco-Related Trials) (Details) (Subsequent Event [Member]) | Jan. 27, 2015
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Individual Smoking And Health Cases [Member] |
Loss Contingencies [Line Items] |
Pending and upcoming tobacco-related trials | 3 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LossContingenciesByNatureOfContingencyAxis = mo_IndividualSmokingAndHealthCasesMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Engle Progeny Cases [Member] |
Loss Contingencies [Line Items] |
Pending and upcoming tobacco-related trials | 57 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationCaseAxis = mo_EngleProgenyCasesMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant