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Contingencies (Schedule Of Pending Cases) (Parenthetical) (Details) | Dec. 31, 2014 cases
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Flight Attendants [Member] |
Loss Contingencies [Line Items] |
Loss contingency pending claims, number not included | 2,558 mo_LossContingencyPendingClaimsNumberNotIncluded / us-gaap_LossContingenciesByNatureOfContingencyAxis = mo_FlightAttendantsMember
Philip Morris USA [Member] |
Loss Contingencies [Line Items] |
Loss contingency pending claims, number included | 346 mo_LossContingencyPendingClaimsNumberIncluded / dei_LegalEntityAxis = mo_PhilipMorrisUSAMember
West Virginia Consolidated Proceeding [Member] |
Loss Contingencies [Line Items] |
Loss contingency pending claims, number included as one case | 600 mo_LossContingencyPendingClaimsNumberIncludedAsOneCase / mo_LossContingenciesAxis = mo_WestVirginiaConsolidatedProceedingMember

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- Definition Loss Contingency Pending Claims Number Included + References No definition available. + Details
Name: | mo_LossContingencyPendingClaimsNumberIncluded
Namespace Prefix: | mo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Loss Contingency Pending Claims Number Included As One Case + References No definition available. + Details
Name: | mo_LossContingencyPendingClaimsNumberIncludedAsOneCase
Namespace Prefix: | mo_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Loss Contingency Pending Claims Number Not Included + References No definition available. + Details
Name: | mo_LossContingencyPendingClaimsNumberNotIncluded
Namespace Prefix: | mo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | dei_LegalEntityAxis=mo_PhilipMorrisUSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mo_LossContingenciesAxis=mo_WestVirginiaConsolidatedProceedingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=mo_FlightAttendantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |