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Segment Reporting (Schedule of Tobacco and Health and Certain Other Litigation Items) (Details) - Tobacco and Health Litigation Cases [Member] - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] |  |  |  |
Loss contingency accrual, provision | $ 5 | $ 44 | $ 45 | $ 68
General corporate expenses [Member] |  |  |  |
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] |  |  |  |
Loss contingency accrual, provision | 1 | 24 | 1 | 30
Segment Reconciling Items [Member] | Interest and other debt expense, net [Member] |  |  |  |
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] |  |  |  |
Loss contingency accrual, provision | 0 | 0 | 4 | 0
PM USA [Member] | Operating Segments [Member] | Smokeable Products Segment [Member] | Operating Income (Loss) [Member] |  |  |  |
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] |  |  |  |
Loss contingency accrual, provision | $ 4 | $ 20 | $ 40 | $ 38

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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
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