Contingencies (NPM Adjustment Calculation Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended												6 Months Ended
	Jun. 30, 2014 state	Jun. 30, 2014 Health Care Cost Recovery Actions [Member]	Jun. 30, 2014 Year NPM Adjustment Calculated 2013 [Member]	Jun. 30, 2014 Year NPM Adjustment Calculated 2012 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2011 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2010 [Member]	Jun. 30, 2014 Year NPM Adjustment Calculated 2009 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2008 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2007 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2006 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2005 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2004 [Member]	Jun. 30, 2014 Year Npm Adjustment Calculated 2003 [Member]	Jun. 30, 2014 Non-Participating Manufacturer Arbitration Panel Decision [Member] state
Loss Contingencies [Line Items]
Number of Contested States and Territories to the 2003 Diligent Enforcement Claims														35
Number of Contested States and Territories to the 2003 Diligent Enforcement Claims														4
Partial Liability Reduction Percentage for 2003 N P M Adjustment for States that Are Party to Agreement re: Arbitration		20.00%
Affiliates Possible Excess MSA Payments			$ 215	$ 207	$ 165	$ 219	$ 211	$ 250	$ 185	$ 154	$ 181	$ 388	$ 337
States Claiming Diligent Enforcement of Escrow Statute	38
Number of Other MSA Participating Manufacturers Entering into Arbitration agreement	25
Challenges To MSA Found In Favor Of Defendants	16
States Not Diligently Enforcing Escrow Statutes	6
Number of Non-Contested Territories to the 2003 Diligent Enforcement Claims														12