Segment Reporting (Schedule of NPM Adjustment Items) (Details) - Health Care Cost Recovery Actions [Member] $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
NPM Adjustment [Line Items]
Litigation settlement, amount	$ 18
Operating Income (Loss) [Member] | Operating Segments [Member] | Smokeable Products [Member]
NPM Adjustment [Line Items]
Litigation settlement, amount	12
Interest And Other Debt Expense, Net [Member] | Segment Reconciling Items [Member] | Smokeable Products [Member]
NPM Adjustment [Line Items]
Interest and other debt expense, net	$ 6