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Contingencies (Non-Engle Progeny Litigation) (Details) $ in Thousands | Dec. 31, 2015 USD ($)
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Non-Engle Progeny Smoking and Health Case, Bullock [Member] | PM USA [Member] |
Loss Contingencies [Line Items] |
Compensatory damages awarded | $ 900

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- Definition Loss Contingency, Compensatory Damages Awarded, Value + References No definition available. + Details
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Namespace Prefix: | mo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition 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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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