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

X

- Details

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

X

- 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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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant