Contingencies (Lights/Ultra Lights Cases) (Details)	1 Months Ended								3 Months Ended				6 Months Ended
	May 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jul. 31, 2016 USD ($)	May 31, 2016 USD ($)	Apr. 30, 2016 USD ($)	Feb. 29, 2016 USD ($) $ / plantiff	Feb. 28, 2014 $ / plantiff	Jun. 30, 2017 USD ($) case	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2017 USD ($) case	Jun. 30, 2016 USD ($)	Jul. 24, 2017 case	Jul. 22, 2016 case	Jul. 24, 2015 case
Loss Contingencies [Line Items]
Litigation settlement, amount									$ (1,200,000,000)		$ (1,200,000,000)		$ (2,300,000,000)
Payments made related to litigation									$ 17,000,000		$ 128,000,000		$ 18,000,000	$ 145,000,000
Lights [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Claims not certified, number | case															22
Lights [Member] | PM USA [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of state courts | case															21
Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | case																9	12
Lights Ultra Lights Class Actions [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending | case															4
Larsen [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Number of cases pending | case									1				1
Aspinall [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount			$ (15,300,000)			$ 32,000,000	$ 4,900,000
Payments made related to litigation					$ 32,000,000
Legal fees			$ 16,500,000
Aspinall [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Damages sought per class member | $ / plantiff							25	25
Provision related to litigation recorded												$ 32,000,000
Miner [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount				$ (45,000,000)
Provision related to litigation recorded										$ 45,000,000
Payments for legal settlements		$ 45,000,000
Delaware Consumer Fraud Act [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount	$ (3,000)