Segment Reporting (Narrative) (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Loss Contingency Accrual, Provision	$ 31,000,000	$ 0		$ 35,000,000	$ 6,000,000
NPM Adjustment Items	26,000,000	36,000,000		90,000,000	519,000,000
Asset impairment and exit costs	(10,000,000)	1,000,000		(8,000,000)	1,000,000
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Loss Contingency Accrual, Provision	16,000,000	0		19,000,000	5,000,000
NPM Adjustment to Cost Of Sales [Member] | Non-Participating Manufacturer Adjustment Settlement [Member] | PM USA [Member] | Smokeable Products [Member]
Segment Reporting Information [Line Items]
NPM Adjustment Items	43,000,000	36,000,000	483,000,000	43,000,000	519,000,000
Manufacturing Optimization Plan [Member]
Segment Reporting Information [Line Items]
Proceeds from Sale of Property Held-for-sale	$ 66,000,000