Contingencies (Health Care Cost Recovery Litigation Narrative) (Details) (USD $)	6 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2013 State Settlements Agreements [Member] Health Care Cost Recovery Actions [Member]	Jun. 30, 2013 Fair And Equitable Tobacco Reform Act Of2004 [Member] State Settlements Agreements [Member] Health Care Cost Recovery Actions [Member]	Jun. 30, 2012 Fair And Equitable Tobacco Reform Act Of2004 [Member] State Settlements Agreements [Member] Health Care Cost Recovery Actions [Member]	Jun. 30, 2013 Fair And Equitable Tobacco Reform Act Of2004 [Member] State Settlements Agreements [Member] Health Care Cost Recovery Actions [Member]	Jun. 30, 2012 Fair And Equitable Tobacco Reform Act Of2004 [Member] State Settlements Agreements [Member] Health Care Cost Recovery Actions [Member]	Jun. 30, 2013 Smokeable Products [Member] NPM Adjustment to Cost Of Sales [Member]	Mar. 31, 2013 Smokeable Products [Member] NPM Adjustment to Cost Of Sales [Member]	Jun. 30, 2013 Smokeable Products [Member] NPM Adjustment to Cost Of Sales [Member]
Loss Contingencies [Line Items]
Loss contingency, period of occurrence	November 1998
State Settlement Agreements annual payments	$ 9,400,000,000
State Settlement Agreements attorney fees annual cap	500,000,000
Aggregate Amount Recorded In Cost Of Sales Related To State Settlement Agreements And Federal Equitable Tobacco Reform Act		1,200,000,000	1,300,000,000	1,800,000,000	2,400,000,000
Decrease in Cost of Sales						$ 36,000,000	$ 483,000,000	$ 519,000,000