XML 57 R44.htm IDEA: XBRL DOCUMENT
v3.21.2

Investments in Equity Securities (Investment in JUUL Narrative) (Details) - USD ($) shares in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Oct. 31, 2020 | Apr. 30, 2020 | Dec. 31, 2018
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Equity securities without readily determinable fair value, downward price adjustment, cumulative amount |  |  |  |  | $ 0 |  |
Impairment of JUUL equity securities | $ 0 | $ 2,600,000,000 | $ 0 | $ 2,600,000,000 |  |  |
JUUL [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Equity securities, ownership percentage | 35.00% |  | 35.00% |  |  | 35.00% | 35.00%
Equity investments, fair value option, voting shares (in shares) | 42 |  | 42 |  |  |  |
Equity securities without readily determinable fair value, upward price adjustment, cumulative amount |  |  |  |  | $ 0 |  |
Impairment of JUUL equity securities |  | 2,600,000,000 |  | 2,600,000,000 |  |  |
Income (loss) from equity investments, fair value option | $ 100,000,000 | $ 0 | $ 0 | $ 0 |  |  |

X
- Definition Equity Investments, Fair Value Option, Voting Shares + References No definition available. + Details
Name: | mo_EquityInvestmentsFairValueOptionVotingShares
Namespace Prefix: | mo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Securities Without Readily Determinable Fair Value, Ownership Percentage + References No definition available. + Details
Name: | mo_EquitySecuritiesWithoutReadilyDeterminableFairValueOwnershipPercentage
Namespace Prefix: | mo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Income (Loss) from Equity Investments, Fair Value Option + References No definition available. + Details
Name: | mo_IncomeLossFromEquityInvestmentsFairValueOption
Namespace Prefix: | mo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cumulative loss from downward price adjustment on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of impairment loss on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=mo_JUULMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |