Contingencies (Lights/Ultra Lights Cases) (Details) - Subsequent Event [Member]	Oct. 27, 2020 court claim case
Lights [Member]
Loss Contingencies [Line Items]
Claims not certified, number \| case	23
Number of cases pending	2
Lights [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Number of state courts \| court	21
Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending	2

Number of pending claims pertaining to a loss contingency.

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=121557415&loc=d3e14435-108349

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant