Contingencies (NPM Adjustment Calculation Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013
Loss Contingencies [Line Items]
Challanges To MSA Found In Favor Of Defendants	16		16
Year NPM Adjustment Calculated 2003 [Member] | Year NPM Adjustment May Be Deducted 2006 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			$ 337
Year NPM Adjustment Calculated 2004 [Member] | Year NPM Adjustment May Be Deducted 2007 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			388
Year NPM Adjustment Calculated 2005 [Member] | Year Npm Adjustment Deducted2008 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			181
Year NPM Adjustment Calculated 2006 [Member] | Year NPM Adjustment May Be Deducted 2009 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			154
Year NPM Adjustment Calculated 2007 [Member] | Year NPM Adjustment May Be Deducted 2010 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			185
Year NPM Adjustment Calculated 2008 [Member] | Year NPM Adjustment May Be Deducted 2011 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			250
Year NPM Adjustment Calculated 2009 [Member] | Year Npm Adjustment Deducted 2012 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			205
Year NPM Adjustment Calculated 2010 [Member] | Year NPM Adjustment May Be Deducted 2013 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			203
Year NPM Adjustment Calculated 2011 [Member] | Year NPM Adjustment May Be Deducted 2014 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			159
Year NPM Adjustment Calculated 2004 - 2012 [Member]
Loss Contingencies [Line Items]
Affiliates possible excess MSA payments	92		92
Year NPM Adjustment Calculated 2012 [Member] | Year NPM Adjustment May Be Deducted 2015 [Member]
Loss Contingencies [Line Items]
PM USA's approximate share of disputed NPM Adjustment			199
Health Care Cost Recovery Actions [Member] | MSA NPM Arbitration Agreement [Member]
Loss Contingencies [Line Items]
Partial liability reduction percentage for 2003 NPM adjustment for states that are party to agreement re: arbitration			20.00%
NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member]
Loss Contingencies [Line Items]
Decrease in Cost of Sales	$ 36	$ 483	$ 519