Contingencies (Other Disputes Under the State Settlement Agreements) (Details) $ in Millions	1 Months Ended
Aug. 31, 2018 USD ($)
PM USA [Member] \| Other Disputes Under the State Settlement Agreements [Member]
Loss Contingencies [Line Items]
Amount ordered to be paid from other party	$ 9.8

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.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration