Contingencies MSA Term Sheet Agreement (Narrative) (Details) (USD $)	0 Months Ended			12 Months Ended		3 Months Ended		6 Months Ended
	May 24, 2013	Apr. 12, 2013	Dec. 17, 2012	Dec. 31, 2012	Jun. 30, 2013	Jun. 30, 2013 NPM Adjustment to Cost Of Sales [Member] Smokeable Products [Member]	Mar. 31, 2013 NPM Adjustment to Cost Of Sales [Member] Smokeable Products [Member]	Jun. 30, 2013 NPM Adjustment to Cost Of Sales [Member] Smokeable Products [Member]
Loss Contingencies [Line Items]
Number of States Joining Term Sheet	2	1	17
Percentage of Signatory States Allocable Share of OPM Aggregate 2003-2012 NPM Adjustments Reduction of Future MSA Payments				46.00%
Affiliate Share of Future MSA Payment Reductions				28.00%
Affiliate Approximate Amount of Future MSA Payment Reductions						$ 36,000,000	$ 483,000,000	$ 519,000,000
Disputed Payment Account (DPA) Balance				4,700,000,000
Affiliate Payments to DPA Account				658,000,000
Amount of Affiliate Funds Released from DPA to Signatory States				272,000,000
Additional Amount Expected To Be Rleased From DPA Account To Additional Signatory States					$ 22,000,000