Segment Reporting Schedule of NPM Adjustment Items (Details) - Health Care Cost Recovery Actions [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
NPM Adjustment [Line Items]
Litigation settlement, amount	$ 126	$ 0	$ 126	$ 90
Operating Income (Loss) [Member] | Operating Segments [Member] | Smokeable Products [Member]
NPM Adjustment [Line Items]
Litigation settlement, amount	126	0	126	43
Interest And Other Debt Expense, Net [Member] | Segment Reconciling Items [Member] | Smokeable Products [Member]
NPM Adjustment [Line Items]
Litigation settlement, amount	$ 0	$ 0	$ 0	$ (47)