Contingencies (2003-2014 NPM Adjustment Disputes - Continuing Disputes with Non-Signatory States other than New York) (Details) $ in Millions	1 Months Ended				3 Months Ended							6 Months Ended	12 Months Ended			36 Months Ended
	Jul. 31, 2015 state	Apr. 30, 2014 USD ($) state	Sep. 30, 2013 state	Nov. 30, 1998 state	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2014 USD ($) state	Mar. 31, 2014 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Jun. 30, 2013 USD ($)	Dec. 31, 2015 USD ($) case plantiff	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 USD ($)	May. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Litigation settlement, amount													$ 84	$ 90	$ 664
Litigation settlement interest expense (income)													13	(47)	0
Earnings (loss) before income taxes													8,078	7,774	6,942
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of states with settled litigation | state				46
Health Care Cost Recovery Actions [Member] | Cost of Sales [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount													(4,500)	(4,600)	(4,200)
Health Care Cost Recovery Actions [Member] | Cost of Sales [Member] | PENNSYLVANIA
Loss Contingencies [Line Items]
Litigation settlement, amount													$ (29)
Health Care Cost Recovery Actions [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Loss contingency, number of states | plantiff													52
Health Care Cost Recovery Actions [Member] | Philip Morris USA [Member] | Settled Litigation [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount														$ 599	599	$ 599
Earnings (loss) before income taxes										$ 36	$ 483
Number of states with settled litigation | plantiff													24
Health Care Cost Recovery Actions [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | Cost of Sales [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount												$ 519
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Settlement agreement, liability reduction percentage													20.00%
Loss contingency, number of states | state			15
Number of states that did not diligently enforcing escrow statutes | state			6
Number of states diligently enforcing escrow statute | state			9
Litigation settlement, amount									$ 145
Estimate of possible interest income						$ 89
Litigation settlement interest expense (income)								$ (64)
Estimate of possible gain, not recorded													$ 25
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member] | Maryland, Missouri, New Mexico and Pennsylvania [Member]
Loss Contingencies [Line Items]
Number of states that did not diligently enforcing escrow statutes | state		4
Estimate of possible interest income						66
Litigation settlement interest expense (income)		$ (48)				(47)
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member] | MISSOURI
Loss Contingencies [Line Items]
Amount of possible loss					$ 12								12			12
Amount of possible interest loss					7								7			7
Appeal bond posted																	$ 22
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member] | MARYLAND
Loss Contingencies [Line Items]
Amount of possible loss					12								12			12
Amount of possible interest loss					7								7			$ 7
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member] | Cost of Sales [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount									145
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member] | Cost of Sales [Member] | Maryland, Missouri, New Mexico and Pennsylvania [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount		$ 79				$ 108
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | Indiana and Kentucky [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount							$ 80
Litigation settlement interest expense (income)							17		(17)
Earnings (loss) before income taxes							$ 26		54
Number of states with settled litigation | state							2
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | PENNSYLVANIA
Loss Contingencies [Line Items]
Litigation settlement interest expense (income)					13
Earnings (loss) before income taxes					42
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | Cost of Sales [Member] | Indiana and Kentucky [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount							$ 43		$ 37
Health Care Cost Recovery Actions, 2003 NPM Adjustment [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | Cost of Sales [Member] | PENNSYLVANIA
Loss Contingencies [Line Items]
Litigation settlement, amount					$ 29
Health Care Cost Recovery Actions, 2004 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													388
Health Care Cost Recovery Actions, 2004 NPM Adjustment [Member] | Philip Morris USA [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of states with pending litigation | state	17
Health Care Cost Recovery Actions, 2005 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													181
Health Care Cost Recovery Actions, 2006 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													154
Health Care Cost Recovery Actions, 2007 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													185
Health Care Cost Recovery Actions, 2008 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													250
Health Care Cost Recovery Actions, 2009 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													211
Health Care Cost Recovery Actions, 2010 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													218
Health Care Cost Recovery Actions, 2011 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													166
Health Care Cost Recovery Actions, 2012 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													211
Health Care Cost Recovery Actions, 2013 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													219
Health Care Cost Recovery Actions, 2013 NPM Adjustment [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | Cost of Sales [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount								$ 35							$ 3
Health Care Cost Recovery Actions, 2014 NPM Adjustment [Member]
Loss Contingencies [Line Items]
Estimate of possible gain													247
Health Care Cost Recovery Actions, 2014 NPM Adjustment [Member] | Philip Morris USA [Member] | Settled Litigation [Member] | Cost of Sales [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount													$ 41
Other MSA-Related Litigation [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts | case													16