Segment Reporting Schedule of Pre-tax Tobacco and Health Litigation Items (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Loss Contingency Accrual, Provision	$ 5	$ 31	$ 48	$ 35
Smokeable Products [Member]
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Loss Contingency Accrual, Provision	5	16	48	19
Corporate Segment [Member]
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Loss Contingency Accrual, Provision	0	15	0	15
Interest Expense [Member]
Schedule of Pre-tax Tobacco and Health Litigation Items [Line Items]
Loss Contingency Accrual, Provision	0	0	0	1
Commitments and Contingencies Accrued Interest	$ 0	$ 0	$ 0	$ 1