Acquisitions and Other Business Arrangements (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended			6 Months Ended		1 Months Ended		0 Months Ended	1 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Mexican tobacco business	Jun. 30, 2014 Mexican tobacco business Additional Paid-in Capital [Member]	Jun. 30, 2014 Director [Member]	Jun. 30, 2014 Nicocigs Limited [Member]	Sep. 30, 2013 Grupo Carso [Member]	Sep. 30, 2013 Grupo Carso [Member] Affiliated Entity [Member] Mexican tobacco business	May 31, 2013 Grupo Carso [Member] Affiliated Entity [Member] Mexican tobacco business	Sep. 30, 2013 Grupo Carso [Member] Affiliated Entity [Member] Mexican tobacco business	Jun. 30, 2013 Grupo Carso [Member] Affiliated Entity [Member] Mexican tobacco business
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business acquisition, percentage of interest acquired						100.00%
Payment to acquire business	$ 103	$ 0				$ 103
Additional contingent payment, maximum						77
Period of consideration for performance targets related to acquisition						3 years
Business Acquisition, Date of Acquisition Agreement									May 21, 2013
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners									20.00%		20.00%
Business Acquisition, Effective Date of Acquisition								Sep. 30, 2013
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net										703
Noncontrolling Interest, Ownership Percentage by Parent			100.00%
Nature of Common Ownership or Management Control Relationships					A director of PMI has an affiliation with Grupo Carso.
Purchase price adjustment period								3 years
Purchase price adjustment period, after close of purchase								2 years
Estimated dividend payment to noncontrolling interest							38
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests				$ 672