XML 101 R84.htm IDEA: XBRL DOCUMENT
v3.25.2

Contingencies (Federal Government's Lawsuit) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2022
Federal Government's Lawsuit |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, corrective statements in newspapers, period |  |  | 4 months |
Loss contingency, corrective statements on television, period |  |  | 1 year |
Loss contingency, corrective statements, onserts total period |  | 2 years |  |
Implementation of Corrective Communications [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, corrective statements, onserts period |  | 14 days |  |
Loss contingency, corrective statements, onserts consecutive total period |  | 3 months |  |
Implementation of Corrective Communications [Member] | Federal Government's Lawsuit |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency accrual, provision | $ 15 |  |  | $ 28

X
- Definition Loss Contingency, Corrective Statements In Newspapers, Period + References No definition available. + Details
Name: | mo_LossContingencyCorrectiveStatementsInNewspapersPeriod
Namespace Prefix: | mo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Corrective Statements On Television, Period + References No definition available. + Details
Name: | mo_LossContingencyCorrectiveStatementsOnTelevisionPeriod
Namespace Prefix: | mo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Corrective Statements, Onserts Consecutive Period + References No definition available. + Details
Name: | mo_LossContingencyCorrectiveStatementsOnsertsConsecutivePeriod
Namespace Prefix: | mo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Corrective Statements, Onserts Consecutive Total Period + References No definition available. + Details
Name: | mo_LossContingencyCorrectiveStatementsOnsertsConsecutiveTotalPeriod
Namespace Prefix: | mo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Corrective Statements, Onserts Total Period + References No definition available. + Details
Name: | mo_LossContingencyCorrectiveStatementsOnsertsTotalPeriod
Namespace Prefix: | mo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-9 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483359/720-20-50-1 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 27 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482395/460-10-55-27 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-9 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-4 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-3 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
Name: | us-gaap_LossContingencyAccrualProvision
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_LitigationCaseAxis=mo_FederalGovernmentsLawsuitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=mo_ImplementationofCorrectiveCommunicationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |