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Contingencies (E-vapor Litigation) (Details) - E-vapor Litigation [Member]	Jan. 27, 2020 claim	Dec. 31, 2019 case claim	Dec. 31, 2018 case	Dec. 31, 2017 case
Loss Contingencies [Line Items]
Number of cases pending | case		101	0	0
Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	0
Pending Class Action Lawsuits [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	21
Pending Individual Lawsuits [Member]
Loss Contingencies [Line Items]
Number of cases pending		76
Pending Individual Lawsuits [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	76
Pending Lawsuits Filed By State Or Local Governments [Member]
Loss Contingencies [Line Items]
Number of cases pending		2
Pending Lawsuits Filed By State Or Local Governments [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	2
Pending Lawsuit Filed By School District [Member]
Loss Contingencies [Line Items]
Number of cases pending		1
Pending Lawsuit Filed By School District [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	1

X

- Definition

Loss Contingency, Number of Cases Set for Trial

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349

+ Details

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- Details

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