XML 76 R60.htm IDEA: XBRL DOCUMENT
v3.19.1

Contingencies (General Information) (Details) | Mar. 31, 2019 state
--- | ---
Commitments and Contingencies Disclosure [Abstract] |
Number of states that cap bond or require no bond | 47

X
- Definition Loss Contingency, Number of States That Cap Bond or Require No Bond + References No definition available. + Details
Name: | mo_LossContingencyNumberofStatesThatCapBondorRequireNoBond
Namespace Prefix: | mo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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