Contingencies MSA Term Sheet Agreement (Narrative) (Details) (USD $)	9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended	3 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 PM USA [Member] Smokeable Products [Member] Non-Participating Manufacturer Adjustment Settlement [Member]	Mar. 31, 2013 PM USA [Member] Smokeable Products [Member] Non-Participating Manufacturer Adjustment Settlement [Member]	Sep. 30, 2013 PM USA [Member] Smokeable Products [Member] Non-Participating Manufacturer Adjustment Settlement [Member]	Sep. 30, 2013 PM USA [Member] NPM Adjustment to Cost Of Sales [Member] Smokeable Products [Member] Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
Number of States Joining Term Sheet	20
Number of States Not Joining Term Sheet	15
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%
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 Released From DPA Account To Additional Signatory States	22,000,000
States Not Diligently Enforcing Escrow Statutes	6
Credit for settlement of dispute			$ 36,000,000	$ 483,000,000	$ 519,000,000	$ 145,000,000