Quarterly Financial Data (Unaudited) (Schedule of Quarterly Financial Information) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Quarterly Financial Data [Abstract]
Net revenues	$ 21,585	$ 20,638	$ 19,319	$ 16,556	$ 19,189	$ 19,935	$ 19,041	$ 16,788	$ 78,098	[1]	$ 74,953	[1]	$ 73,908	[1]
Gross profit	5,293	4,738	4,398	3,887	4,472	4,550	4,285	3,987	18,316		17,294		17,429
Net earnings attributable to PMI	$ 694	$ 1,970	$ 1,781	$ 1,590	$ 1,711	$ 1,938	$ 1,788	$ 1,530	$ 6,035		$ 6,967		$ 6,873
Per share data:
Basic EPS (in dollars per share)	$ 0.44	$ 1.27	$ 1.14	$ 1.02	$ 1.10	$ 1.25	$ 1.15	$ 0.98	$ 3.88		$ 4.48		$ 4.42
Diluted EPS (in dollars per share)	0.44	1.27	1.14	1.02	1.10	1.25	1.15	0.98	3.88		4.48		4.42
Dividends declared (in dollars per share)	1.07	1.07	1.04	1.04	1.04	1.04	1.02	1.02	$ 4.22		$ 4.12		$ 4.04
Market price:
High (in dollars per share)	115.28	121.69	123.55	114.65	98.21	104.20	102.55	99.53
Low (in dollars per share)	$ 101.58	$ 109.31	$ 108.56	$ 89.97	$ 86.78	$ 96.95	$ 95.91	$ 84.46

[1] Total net revenues attributable to customers located in Indonesia, PMI’s largest market in terms of net revenues, were $8.0 billion, $7.7 billion and $7.1 billion for the years ended December 31, 2017, 2016 and 2015, respectively. Total net revenues attributable to customers located in Germany were $7.2 billion, $7.1 billion and $7.2 billion for the years ended December 31, 2017, 2016 and 2015, respectively.