Contingencies Contingencies (MSA Term Sheet Agreement) (Narrative) (Details) $ in Millions	3 Months Ended						6 Months Ended		30 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Jun. 30, 2015 USD ($) state	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) state
Loss Contingencies [Line Items]
Number of States Joining Term Sheet | state							24
Number of States Not Joining Settlement | state							15
States Not Diligently Enforcing Escrow Statutes | state							6
States Diligently Enforcing Escrow Statute | state							9
NPM Adjustment Items		$ 26						$ 90
Earnings before income taxes	$ 2,254	1,945					$ 3,816	3,751
Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
Projected Litigation Settlement Interest							(89)
Litigation Settlement Interest		(17)	$ 64					47
Projected Litigation Settlement Interest Not recorded							(25)
NPM Adjustment to Cost Of Sales [Member] | 2003 NPM Adjustment Amount [Member] | Non-Participating Manufacturer Adjustment Settlement [Member]
Loss Contingencies [Line Items]
NPM Adjustment Items									$ 599
NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
Projected Litigation Settlement, Amount				$ 145
Appeals Bond Posted By Affiliate							22
NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Adjustment Settlement [Member]
Loss Contingencies [Line Items]
NPM Adjustment Items		43			$ 36	$ 483		43	519
NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member] | PM USA [Member] | 2013 Transition Year Adjustment [Member] | Non-Participating Manufacturer Adjustment Settlement [Member]
Loss Contingencies [Line Items]
NPM Adjustment Items			$ 35
NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member] | PM USA [Member] | 2014 Transition Year Adjustment [Member] | Non-Participating Manufacturer Adjustment Settlement [Member]
Loss Contingencies [Line Items]
NPM Adjustment Items							41
Indiana/Kentucky [Member] | Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
Projected Litigation Settlement, Amount									26
NPM Adjustment Items									54
Litigation Settlement Interest		(17)							$ 17
Earnings before income taxes		26
Indiana/Kentucky [Member] | NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Adjustment Settlement [Member]
Loss Contingencies [Line Items]
Number of States Joining Term Sheet | state									2
NPM Adjustment Items		$ 43					37		$ 80
Indiana/Kentucky [Member] | NPM Adjustment to Cost Of Sales [Member] | Smokeable Products [Member] | PM USA [Member] | 2013 Transition Year Adjustment [Member] | Non-Participating Manufacturer Adjustment Settlement [Member]
Loss Contingencies [Line Items]
NPM Adjustment Items							3
Missouri [Member] | Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
Litigation Settlement Amount Possible Refund to States							12
Projected Litigation Settlement Interest Possible Refund to State							7
Remaining non-diligent states [Member] | Smokeable Products [Member] | PM USA [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
Projected Litigation Settlement, Amount							108
NPM Adjustment Items							79
Litigation settlement, amount Recovery available if Successful on Appeal							29
Projected Litigation Settlement Interest							(66)
Litigation Settlement Interest								$ 47
Projected litigation settlement Interest Reduced Amount							(48)
Litigation settlement interest Recovery Available if Successful On Appeal							$ (18)
Remaining non-diligent states [Member] | Smokeable Products [Member] | PM USA [Member] | 2003 NPM Adjustment Amount [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
Loss Contingencies [Line Items]
States Not Diligently Enforcing Escrow Statutes | state							4