Asset Impairment, Exit, Implementation And Integration Costs (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended			3 Months Ended	12 Months Ended		15 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2012 Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2011 Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2012 Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2012 Smokeable Products [Member] Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2011 Smokeable Products [Member] Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2012 Smokeless Products [Member] Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2011 Smokeless Products [Member] Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2012 General Corporate [Member] Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2011 General Corporate [Member] Two Thousand And Eleven Cost Reduction Program [Member]	Dec. 31, 2012 Net Gain [Member] Recorded in Marketing Administrative and research Costs [Member]	Dec. 31, 2010 Other Programs [Member]	Dec. 31, 2012 Other Costs [Member] Two Thousand And Eleven Cost Reduction Program [Member]
Restructuring Cost and Reserve [Line Items]
Charges, net									$ (8)
Lease exit cost						(4)
Employee separation costs											209
Other restructuring costs including lease termination and asset impairment											62
Asset impairment and exit costs, net of cash paid					(73)	179	(188)
Pre-tax implementation costs									(5)				1					(14)	75	9
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments									26
Asset impairment and exit costs	16	11	25	4	61	222	36		52	223		29	179	22	36	1	8
Pre-tax integration costs																			20
Charges, inception-to-date											271
Cash payments for restructuring and implementation								9	135
Cash payments since inception											$ 144