Contingencies Contingencies (Judgments Recorded and Paid) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Loss Contingencies Judgments Recorded and Paid [Line Items]
Accrued liability for tobacco and health judgments at beginning of period	$ 34	$ 6	$ 3	$ 0
Pre-tax charges for implementation of corrective communications remedy pursuant to the federal government's lawsuit	4	16	39	22
Payments for Legal Settlements	0	(16)	(4)	(16)
Accrued liability for tobacco and health judgments at end of period	38	6	38	6
Tobacco and Health Judgment [Member]
Loss Contingencies Judgments Recorded and Paid [Line Items]
Pretax Tobacco and Health charges	3	13	6	18
Federal Government's Lawsuit [Member]
Loss Contingencies Judgments Recorded and Paid [Line Items]
Pre-tax charges for implementation of corrective communications remedy pursuant to the federal government's lawsuit	0	0	31	0
Interest Expense [Member]
Loss Contingencies Judgments Recorded and Paid [Line Items]
Commitments and Contingencies Accrued Interest	1	3	2	4
Pre-tax charges for implementation of corrective communications remedy pursuant to the federal government's lawsuit	$ 1	$ 3	$ 2	$ 4