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Segment Reporting (Schedule of COVID-19 Related Items (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Schedule Of Pre-tax COVID-19 Charges [Line Items] |  |  |  |
Cost of sales | $ 1,775 | $ 1,874 | $ 3,948 | $ 3,452
COVID-19 [Member] |  |  |  |
Schedule Of Pre-tax COVID-19 Charges [Line Items] |  |  |  |
Cost of sales | 50 |  | 50 |
COVID-19 [Member] | Smokeable Products Segment [Member] |  |  |  |
Schedule Of Pre-tax COVID-19 Charges [Line Items] |  |  |  |
Cost of sales | 41 |  | 41 |
COVID-19 [Member] | Oral Tobacco Segment [Member] |  |  |  |
Schedule Of Pre-tax COVID-19 Charges [Line Items] |  |  |  |
Cost of sales | $ 9 |  | $ 9 |

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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