Earnings Per Share (Calculation of Basic and Diluted EPS) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net earnings attributable to PMI	$ 1,781	$ 1,788	$ 3,371	$ 3,318
Less distributed and undistributed earnings attributable to share-based payment awards	5	5	8	9
Net earnings for basic and diluted EPS	$ 1,776	$ 1,783	$ 3,363	$ 3,309
Weighted-average shares for basic EPS (in shares)	1,553,000,000	1,551,000,000	1,552,000,000	1,551,000,000
Plus contingently issuable performance stock units (PSUs) (in shares)	1,000,000	0	1,000,000	0
Weighted-average shares for diluted EPS (in shares)	1,554,000,000	1,551,000,000	1,553,000,000	1,551,000,000
Antidilutive stock awards (in shares)	0	0	0	0