v3.26.3
Goodwill and Other Intangible Assets, net: (Other Intangible Assets) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Intangible Asset, Goodwill and Other [Abstract]    
Non-amortizable intangible assets $ 4,592 $ 4,776
Intangible Asset, Finite-Lived [Line Items]    
Amortizable intangible assets, gross carrying amount 9,059 9,235
Amortizable intangible assets, accumulated amortization 3,827 3,127
Amortizable intangible assets, net 5,232 6,108
Total other intangible assets, gross 13,651 14,011
Total other intangible assets, net $ 9,824 10,884
Trademarks    
Intangible Asset, Finite-Lived [Line Items]    
Weighted-average remaining useful life 13 years  
Amortizable intangible assets, gross carrying amount $ 2,156 2,227
Amortizable intangible assets, accumulated amortization 1,051 984
Amortizable intangible assets, net $ 1,105 1,243
Reacquired commercialization rights for IQOS in the U.S.    
Intangible Asset, Finite-Lived [Line Items]    
Weighted-average remaining useful life 3 years  
Amortizable intangible assets, gross carrying amount $ 2,777 2,777
Amortizable intangible assets, accumulated amortization 1,342 926
Amortizable intangible assets, net $ 1,435 1,851
Developed technology, including patents    
Intangible Asset, Finite-Lived [Line Items]    
Weighted-average remaining useful life 6 years  
Amortizable intangible assets, gross carrying amount $ 344 358
Amortizable intangible assets, accumulated amortization 177 160
Amortizable intangible assets, net $ 167 198
Customer relationships and other    
Intangible Asset, Finite-Lived [Line Items]    
Weighted-average remaining useful life 9 years  
Amortizable intangible assets, gross carrying amount $ 3,782 3,873
Amortizable intangible assets, accumulated amortization 1,257 1,057
Amortizable intangible assets, net $ 2,525 $ 2,816