Segment Reporting Schedule of NPM Adjustment Items (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	30 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2015
NPM Adjustment [Line Items]
NPM Adjustment Items	$ 26			$ 90
Non-Participating Manufacturer Adjustment Settlement [Member] | NPM Adjustment to Cost Of Sales [Member] | PM USA [Member] | Smokeable Products [Member]
NPM Adjustment [Line Items]
NPM Adjustment Items	$ 43	$ 36	$ 483	$ 43	$ 519