Description of the Plan - Narrative (Details) - EBP Hourly DPS Plan	12 Months Ended
Dec. 31, 2025 USD ($) year	Dec. 31, 2024 USD ($)
EBP, Description of Plan [Line Items]
Automatic deferral rate	3.00%
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%
Retirement age \| year	55
Retirement service period	5 years
Vesting period	1 year
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
Maximum loan repayment period (in years)	25 years
EBP, Richmond Hourly Participants Who Do Not Participate In Company-Sponsored Pension Plan
EBP, Description of Plan [Line Items]
Participant compensation matched, percentage	3.00%
EBP, Richmond Hourly Participants Who Participate In Company-Sponsored Pension Plan
EBP, Description of Plan [Line Items]
Participant compensation matched, percentage	5.00%
EBP, UST Participants
EBP, Description of Plan [Line Items]
Participant compensation matched, percentage	7.00%
EBP, Middleton Participants
EBP, Description of Plan [Line Items]
Participant compensation matched, percentage	3.00%
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	$ 20,000,000
ESOP dividends payable	$ 5,000,000	$ 5,000,000

EBP, Dividends Payable

No definition available.

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Namespace Prefix:	mo_
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Balance Type:	credit
Period Type:	instant

- Definition

EBP, ESOP Dividends Paid

+ References

No definition available.

+ Details

Name:	mo_EBPESOPDividendsPaid
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
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Period Type:	duration

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

EBP, Employer Contribution, Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
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Period Type:	duration

- 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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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant, Maximum Borrowing Term

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

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

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Retirement Age

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Retirement Requisite Service Period

+ References

No definition available.

+ Details

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Namespace Prefix:	mo_
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Period Type:	duration

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

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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- Details

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