Earnings per Share: (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share [Abstract]
Net earnings attributable to PMI	$ 11,348	$ 7,057	$ 7,813
Less distributed and undistributed earnings attributable to share-based payment awards	32	23	22
Net earnings for basic and diluted EPS	11,316	7,034	7,791
Net earnings for basic and diluted EPS	$ 11,316	$ 7,034	$ 7,791
Weighted-average shares for basic EPS (in shares)	1,556,000,000	1,554,000,000	1,552,000,000
Plus contingently issuable performance stock units (PSUs) (in shares)	2,000,000	2,000,000	1,000,000
Weighted-average shares for diluted EPS (in shares)	1,558,000,000	1,556,000,000	1,553,000,000
Antidilutive stock options (in shares)	0	0	0