Name:	mo_EquitySecuritiesWithoutReadilyDeterminableFairValueNonCompeteReleaseTriggerPercentageOfInvestmentCarryingValue
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Equity Securities Without Readily Determinable Fair Value, Ownership Percentage

No definition available.

Name:	mo_EquitySecuritiesWithoutReadilyDeterminableFairValueOwnershipPercentage
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Loss Contingency, Class Action Lawsuit

No definition available.

Name:	mo_LossContingencyClassActionLawsuit
Namespace Prefix:	mo_
Data Type:	xbrli:integerItemType
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Period Type:	instant

Loss Contingency, Number Of Complaints

No definition available.

Name:	mo_LossContingencyNumberOfComplaints
Namespace Prefix:	mo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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

Number of plaintiffs that have filed claims pertaining to a loss contingency.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349