Contingencies (Certain Other Tobacco-Related Litigation) (Details) - Argentine Growers Case [Member]	1 Months Ended
Apr. 30, 2014 case defendant	Sep. 30, 2016 case
Loss Contingencies [Line Items]
Number of defendants \| defendant	3
PM USA [Member]
Loss Contingencies [Line Items]
Number of cases pending		6
PM USA [Member] \| Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending	5

Number of pending claims pertaining to a loss contingency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

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