Acquisitions and Other Business Arrangements (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended				9 Months Ended		1 Months Ended		0 Months Ended	1 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2013 Additional Paid-in Capital [Member]	Sep. 30, 2014 Mexican tobacco business	Sep. 30, 2014 Mexican tobacco business Additional Paid-in Capital [Member]	Sep. 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
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business acquisition, percentage of interest acquired							100.00%
Payment to acquire business	$ 110	$ 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%
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		$ 764	$ 672		$ 672