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v3.25.3

Income Taxes (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2025 USD ($)
Valuation Allowance Rollforward [Roll Forward] |
Balance at beginning of year | $ 668
Additions to valuation allowance charged to income tax expense | 84
Releases of valuation allowance credited to income tax benefit | (12)
Balance at end of period | $ 740

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- Definition Valuation Allowance, Deferred Tax Asset, Additions + References No definition available. + Details
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Period Type: | duration

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- Definition Valuation Allowance, Deferred Tax Asset, Reductions + References No definition available. + Details
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Namespace Prefix: | mo_
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- Definition Valuation Allowance Rollforward [Roll Forward] + References No definition available. + Details
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Namespace Prefix: | mo_
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Balance Type: | na
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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