Description of the Plan - Narrative (Details) - EBP Salaried DPS Plan	12 Months Ended
Dec. 31, 2025 USD ($) year	Dec. 31, 2024 USD ($)
EBP, Description of Plan [Line Items]
Assets transferred to the Plan	$ 2,261,000
Maximum deferral percent	50.00%
Automatic deferral rate	6.00%
Eligible compensation minimum service period	90 days
Automatic deferral rate, annual increase	1.00%
Maximum annual compensation to total compensation, percentage	35.00%
Maximum contribution to total earnings percent	3.00%
Participant compensation matched, percentage	3.00%
Retirement age \| year	50
Vesting period	1 year
Retirement service period	5 years
Maximum vesting age \| year	65
Minimum borrowing, amount	$ 1,000
Maximum borrowing, to total account, percentage	50.00%
Maximum borrowing, amount	$ 50,000
Account balance look back period (in months)	12 months
General loan, borrowing term (in years)	25 years
Company Contribution, Change of Control
EBP, Description of Plan [Line Items]
Change of control period	2 years
Company Contribution, Change of Control \| Maximum
EBP, Description of Plan [Line Items]
Percentage of participants' compensation	10.00%
Supplemental Company Contribution
EBP, Description of Plan [Line Items]
Percentage of participants' compensation	5.00%
Altria Stock
EBP, Description of Plan [Line Items]
ESOP dividends paid	$ 24,000,000
ESOP dividends payable	$ 6,000,000	$ 6,000,000

EBP, Change In Net Asset Available For Benefit, Transfer To Plan

No definition available.

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- Definition

EBP, Dividends Payable

+ References

No definition available.

+ Details

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- Definition

EBP, ESOP Dividends Paid

+ References

No definition available.

+ Details

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- Definition

EBP, Employer Contribution, Maximum Contribution To Total Earnings, Percentage

+ References

No definition available.

+ Details

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- Definition

Maximum Vesting age of participant for company contribution and/ or investment earning in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions.

+ References

No definition available.

+ Details

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- Definition

EBP, Employer Contribution, Percentage

+ References

No definition available.

+ Details

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- Definition

EBP, Employer Contribution, Period Post Year In Which Change Of Control Occurs

+ References

No definition available.

+ Details

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- Definition

Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions.

+ References

No definition available.

+ Details

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- Definition

EBP, Note Receivable from Participant, Account Balance Look Back Period

+ References

No definition available.

+ Details

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- Definition

EBP, Note Receivable From Participant, Maximum Borrowing Term

+ References

No definition available.

+ Details

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- Definition

EBP, Participant Contribution, After Tax, Maximum Annual Contribution to Eligible Compensation, Percentage

+ References

No definition available.

+ Details

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- Definition

EBP, Participant Contribution, After Tax, Maximum Annual Contribution to Incentive Compensation, Percentage

+ References

No definition available.

+ Details

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- Definition

Annual increase in percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) until the contribution reaches maximum threshold.

+ References

No definition available.

+ Details

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- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
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- Definition

EBP, Retirement Age

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
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Period Type:	duration

- Definition

EBP, Retirement Requisite Service Period

+ References

No definition available.

+ Details

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- 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/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

+ Details

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- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

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- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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- Details

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- Details

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- Details

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- Details

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