Segment Reporting (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Smokeable Products [Member]	Sep. 30, 2013 Smokeable Products [Member]	Sep. 30, 2014 Smokeable Products [Member]	Sep. 30, 2013 Smokeable Products [Member]	Jun. 30, 2014 Manufacturing Optimization Plan [Member] PM USA [Member] Smokeable Products [Member]	Jun. 30, 2014 Health Care Cost Recovery Litigation [Member] Federal Government's Lawsuit [Member]	Sep. 30, 2014 Health Care Cost Recovery Litigation [Member] Federal Government's Lawsuit [Member]
Segment Reporting Information [Line Items]
Loss Contingency Accrual, Provision	$ 4	$ 16	$ 39	$ 22	$ 3	$ 13	$ 22	$ 18		$ 31	$ 31
Proceeds from Sale of Property Held-for-sale									66
Asset impairment and exit costs	$ 7	$ 0	$ (1)	$ 1					$ (10)