Contingencies (Other Matters Narrative) (Details)	3 Months Ended
	Mar. 31, 2013
Loss Contingencies [Line Items]
Lights Ultra Lights Class Certification Cases Pending in United States	14
Lights Ultra Lights Cases Pending in Federal Courts	3
Lights/Multi District Litigation [Member]
Loss Contingencies [Line Items]
Number of class action certification denied or reversed	4
Lights [Member]
Loss Contingencies [Line Items]
Purported number of class action lawsuits served	26
Cases Voluntarily Dismissed	13
Additional class action certifications denied, reversed, dismissed or resolved	17