Acquisitions and Other Business Arrangements (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended
	Mar. 31, 2014 Grupo Carso [Member]	Mar. 31, 2014 Mexican tobacco business	Mar. 31, 2014 Additional Paid-in Capital [Member] Mexican tobacco business	Mar. 31, 2014 Director [Member]	Sep. 30, 2013 Affiliated Entity [Member] Mexican tobacco business Grupo Carso [Member]	Jun. 30, 2013 Affiliated Entity [Member] Mexican tobacco business Grupo Carso [Member]	Mar. 31, 2014 Affiliated Entity [Member] Mexican tobacco business Grupo Carso [Member]	May 31, 2013 Affiliated Entity [Member] Mexican tobacco business Grupo Carso [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
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.
Estimated dividend payment to noncontrolling interest	38
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			$ 672