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Segment Reporting (Schedule of NPM Adjustment Items) (Details) - Health Care Cost Recovery Actions [Member] $ in Millions | 3 Months Ended
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Mar. 31, 2016 USD ($)
NPM Adjustment [Line Items] |
Litigation settlement, amount | $ 18
Operating Income (Loss) [Member] | Operating Segments [Member] | Smokeable Products [Member] |
NPM Adjustment [Line Items] |
Litigation settlement, amount | 12
Interest And Other Debt Expense, Net [Member] | Segment Reconciling Items [Member] | Smokeable Products [Member] |
NPM Adjustment [Line Items] |
Interest and other debt expense, net | $ 6

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- Definition NPM Adjustment [Line Items] + References No definition available. + Details
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Namespace Prefix: | mo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Interest expense (income) directly attributable to an award in settlement of litigation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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