Contingencies Contingencies (Judgments Recorded and Paid) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Loss Contingencies Judgments Recorded and Paid [Line Items]
Accrued liability for tobacco and health judgments at beginning of period	$ 7	$ 6	$ 3	$ 0
Pre-tax charges for implementation of corrective communications remedy pursuant to the federal government's lawsuit	31	0	35	6
Payments for Legal Settlements	(4)	0	(4)	0
Accrued liability for tobacco and health judgments at end of period	34	6	34	6
Tobacco and Health Judgment [Member]
Loss Contingencies Judgments Recorded and Paid [Line Items]
Pretax Tobacco and Health charges	0	0	3	5
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	31	0	31	0
Interest Expense [Member]
Loss Contingencies Judgments Recorded and Paid [Line Items]
Commitments and Contingencies Accrued Interest	0	0	1	1
Pre-tax charges for implementation of corrective communications remedy pursuant to the federal government's lawsuit	$ 0	$ 0	$ 1	$ 1