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Income Taxes - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Investments [Line Items] |  |  |  |  |
Impairment of JUUL equity securities | $ 0 | $ 2,600,000,000 | $ 0 | $ 2,600,000,000 |
ABI [Member] |  |  |  |  |
Investments [Line Items] |  |  |  |  |
Equity method investment, impairment | $ 6,157,000,000 |  | $ 6,157,000,000 |  | $ 0
JUUL [Member] |  |  |  |  |
Investments [Line Items] |  |  |  |  |
Impairment of JUUL equity securities |  | $ 2,600,000,000 |  | $ 2,600,000,000 |

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- Definition Amount of impairment loss on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714 + Details
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