XML 26 R56.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Contingencies (Smoking And Health Class Actions Narrative) (Details) (Smoking And Health Class Actions And Aggregated Claims Litigation [Member]) | Mar. 31, 2015 | Apr. 20, 2015 cases
--- | --- | ---
Loss Contingencies [Line Items] |  |
Number of Smoking and Health Class Certifications Denied or Reversed | 59 mo_NumberofSmokingandHealthClassCertificationsDeniedorReversed |
Subsequent Event [Member] | Canada | PM USA And Altria Group, Inc. [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency, Pending Claims, Number |  | 7 us-gaap_LossContingencyPendingClaimsNumber / dei_LegalEntityAxis = mo_PMUSAndAltriaGroupMember / us-gaap_LitigationCaseAxis = mo_SmokingAndHealthClassActionsAndAggregatedClaimsLitigationMember / us-gaap_StatementGeographicalAxis = country_CA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X
- Definition Number of Smoking and Health Class Certifications Denied or Reversed + References No definition available. + Details
Name: | mo_NumberofSmokingandHealthClassCertificationsDeniedorReversed
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
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |