Segment Reporting (Schedule of Pre-tax Tobacco and Health Litigation Charges) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Loss Contingency Accrual, Provision	$ 44	$ 22	$ 5
Smokeable Products [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Loss Contingency Accrual, Provision	27	18	4
Corporate, Non-Segment [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Loss Contingency Accrual, Provision	15	0	0
Interest Expense [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Interest and other debt expense, net	$ 2	$ 4	$ 1