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Asset Impairment, Exit and Implementation Costs (Pre-tax Asset Impairment, Exit and Implementation Costs) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Asset impairment and exit costs |  | $ 389,000,000 | $ 0 | $ 0
Implementation Costs |  | 33,000,000 |  |
Total |  | 422,000,000 | $ 0 | $ 0
Skoal [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Asset impairment charges | $ 354,000,000 | 354,000,000 |  |
Operating Segments [Member] | Smokeable Products [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Asset impairment and exit costs |  | 31,000,000 |  |
Implementation Costs |  | 29,000,000 |  |
Total |  | 60,000,000 |  |
Operating Segments [Member] | Oral Tobacco Products [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Asset impairment and exit costs |  | 358,000,000 |  |
Implementation Costs |  | 4,000,000 |  |
Total |  | $ 362,000,000 |  |

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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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