Segment Reporting Pre-tax Tobacco and Health Litigation Items (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Loss Contingency Accrual, Provision	$ 43	$ 4
Smokeable Products [Member]
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Loss Contingency Accrual, Provision	43	3
Interest Expense [Member]
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Commitments and Contingencies Accrued Interest	$ 0	$ 1