XML 72 R51.htm IDEA: XBRL DOCUMENT
v3.19.3

Investments in Equity Securities (Investment in Cronos Narrative) (Details) - Cronos Group Inc. [Member] $ / shares in Units, shares in Millions, $ in Billions, $ in Billions | Mar. 31, 2019 USD ($) shares | Mar. 31, 2019 CAD ($) | Mar. 07, 2019 CAD ($) | Sep. 30, 2019 director board_member shares | Mar. 31, 2019 $ / shares
--- | --- | --- | --- | --- | ---
Investment [Line Items] |  |  |  |  |
Number of ordinary shares owned (approximately) (in shares) | shares | 149.8 |  |  |  |
Ownership percentage (approximately) | 45.00% |  |  | 45.00% |
Equity method investments, purchase price | $ 1.8 | $ 2.4 | $ 2.4 |  |
Equity method investment, warrant exercised, ownership percentage (approximately) | 55.00% | 55.00% |  |  |
Payments to acquire equity method investments | $ 0.4 |  |  |  |
Payments for deferred tax liability | 0.3 |  |  |  |
Number of directors nominated | director |  |  |  | 4 |
Number of members on the Board of Directors | board_member |  |  |  | 7 |
Equity Contract, Preemptive Rights [Member] |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Equity method investment, shares purchased, (CAD per share) | $ / shares |  |  |  |  | $ 16.25
Equity method investment, number of shares eligible for purchase (in shares) | shares |  |  |  | 37.0 |
Payments for derivative instrument, investing activities | $ 0.5 |  |  |  |
Equity Contract, Warrant [Member] |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Equity method investment, shares purchased, (CAD per share) | $ / shares |  |  |  |  | $ 19.00
Equity method investment, number of shares eligible for purchase (in shares) | shares |  |  |  | 76.0 |
Equity method investment, percentage of shares eligible for purchase | 10.00% |  |  |  |
Payments for derivative instrument, investing activities | $ 1.2 |  |  |  |

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

X
- Definition Equity Method Investment, Number of Shares Eligible For Purchase + References No definition available. + Details
Name: | mo_EquityMethodInvestmentNumberofSharesEligibleForPurchase
Namespace Prefix: | mo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Method Investment, Number of Shares Owned, Common + References No definition available. + Details
Name: | mo_EquityMethodInvestmentNumberofSharesOwnedCommon
Namespace Prefix: | mo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Method Investment, Percentage of Shares Eligible For Purchase + References No definition available. + Details
Name: | mo_EquityMethodInvestmentPercentageofSharesEligibleForPurchase
Namespace Prefix: | mo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Method Investment, Price Per Share If Exercised + References No definition available. + Details
Name: | mo_EquityMethodInvestmentPricePerShareIfExercised
Namespace Prefix: | mo_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Method Investment, Warrant Exercised, Ownership Percentage + References No definition available. + Details
Name: | mo_EquityMethodInvestmentWarrantExercisedOwnershipPercentage
Namespace Prefix: | mo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Directors Nominated + References No definition available. + Details
Name: | mo_NumberofDirectorsNominated
Namespace Prefix: | mo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Members On the Board of Directors + References No definition available. + Details
Name: | mo_NumberofMembersOntheBoardofDirectors
Namespace Prefix: | mo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Payments to Acquire Equity Method Investments and Derivative Instruments, Investing + References No definition available. + Details
Name: | mo_PaymentstoAcquireEquityMethodInvestmentsandDerivativeInstrumentsInvesting
Namespace Prefix: | mo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). + References No definition available. + Details
Name: | us-gaap_DeferredTaxLiabilitiesInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsForDerivativeInstrumentInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=mo_CronosGroupInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=mo_EquityContractPreemptiveRIghtsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=mo_EquityContractWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |