Segment Reporting (Schedule of NPM Adjustment Items) (Details) - Non-Participating Manufacturer Arbitration Panel Decision [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Litigation settlement, amount	$ 0	$ (126)	$ 18	$ (126)
PM USA [Member] | Interest And Other Debt Expense, Net [Member] | Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Interest and other debt expense, net	0	0	6	0
PM USA [Member] | NPM Adjustment to Cost Of Sales [Member] | Operating Income (Loss) [Member] | Operating Segments [Member] | Smokeable Products [Member]
Segment Reporting Information [Line Items]
Litigation settlement, amount	$ 0	$ (126)	$ 12	$ (126)