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Contingencies (Smoking And Health Class Actions Narrative) (Details) (Smoking And Health Class Actions And Aggregated Claims Litigation [Member], Smoking And Health Class Actions And Aggregated Claims Litigation [Member]) | Mar. 31, 2014
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Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member] |
Loss Contingencies [Line Items] |
Number of Smoking and Health Class Certifications Denied or Reversed | 59

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- Definition Number of Smoking and Health Class Certifications Denied or Reversed + References No definition available. + Details
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Namespace Prefix: | mo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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