Disposal Group, Deferred Gain on Sale Of Rights Under An Agreement

No definition available.

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- Definition

Disposal Group, Purchase Agreement, Consideration, Additional Payment

+ References

No definition available.

+ Details

Name:	mo_DisposalGroupPurchaseAgreementConsiderationAdditionalPayment
Namespace Prefix:	mo_
Data Type:	xbrli:monetaryItemType
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- Definition

Disposal Group, Purchase Agreement, Consideration, Initial Payment

+ References

No definition available.

+ Details

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- Definition

Disposal Group, Purchase Agreement, Effective Interest Rate

+ References

No definition available.

+ Details

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- Definition

Length Of Time To Reach A Joint Venture, Term

+ References

No definition available.

+ Details

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- Definition

Majority Owned Subsidiaries, Initial Capital Contribution, Maximum

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No definition available.

+ Details

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Namespace Prefix:	mo_
Data Type:	xbrli:monetaryItemType
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- Definition

Number Of Board Members

+ References

No definition available.

+ Details

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- Definition

Number Of Board Observers

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No definition available.

+ Details

Name:	mo_NumberOfBoardObservers
Namespace Prefix:	mo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Direct Retail Stores Established And Operational

+ References

No definition available.

+ Details

Name:	mo_NumberOfDirectRetailStoresEstablishedAndOperational
Namespace Prefix:	mo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Ownership Percentage In Consolidated Subsidiary

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No definition available.

+ Details

Name:	mo_OwnershipPercentageInConsolidatedSubsidiary
Namespace Prefix:	mo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ownership Percentage In Consolidated Subsidiary, Increase Potential

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Proceeds from Sale Of Rights Under An Agreement

+ References

No definition available.

+ Details

Name:	mo_ProceedsFromSaleOfRightsUnderAnAgreement
Namespace Prefix:	mo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

+ Details

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- Details

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- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
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- Details

Name:	dei_LegalEntityAxis=mo_PhilipMorrisUSAMember
Namespace Prefix:
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- Details

Name:	dei_LegalEntityAxis=mo_JTIUHMember
Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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- Details

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Subsequent Events (Details)		9 Months Ended
Subsequent Events (Details)	Oct. 26, 2022 USD ($) retailStore board_member	Jul. 15, 2023 USD ($)	Dec. 31, 2022 USD ($)	Oct. 19, 2022 USD ($)
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of direct retail stores established and operational \| retailStore	1
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| IQOS Tobacco Heating System [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Disposal group, purchase agreement, consideration, initial payment				$ 1,000,000,000
Disposal group, purchase agreement, effective interest rate				6.00%
PM USA [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Majority owned subsidiaries, initial capital contribution, maximum	$ 150,000,000
Number of board members \| board_member	4
JTIUH [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Number of board members \| board_member	3
PM USA And JTIUH [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Length of time to reach a joint venture, term	5 years
PM USA And JTIUH [Member] \| Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Number of board observers \| board_member	3
Horizon [Member] \| PM USA [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Ownership percentage in consolidated subsidiary	75.00%
Ownership percentage in consolidated subsidiary, increase potential	80.00%
Horizon [Member] \| JTIUH [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	25.00%
Forecast [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| IQOS Tobacco Heating System [Member]
Subsequent Event [Line Items]
Disposal group, purchase agreement, consideration, additional payment		$ 1,700,000,000
Forecast [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| IQOS Tobacco Heating System [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from sale of rights under an agreement and the exclusive rights to distribute		$ 2,700,000,000
Disposal group, deferred gain on sale of rights under an agreement			$ 2,700,000,000