Contingencies (Judgments Recorded and Paid) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Loss Contingencies Judgments Recorded and Paid [Line Items]
Accrued liability for tobacco and health judgments at beginning of period			$ 0	$ 122
Pretax Tobacco and Health charges	13	3	18	4
Commitments and Contingencies Accrued Interest	3	0	4	0
Judgments Paid Aggregate	(16)	(3)	(16)	(124)
Accrued liability for tobacco and health judgments at end of period	$ 6	$ 2	$ 6	$ 2