v3.26.3
Related Parties - Equity Investments and Other: (Narrative) (Details)
$ in Millions, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 24, 2025
USD ($)
Sep. 24, 2025
CAD ($)
May 31, 2026
Jun. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Schedule of Equity Method Investments [Line Items]                
Equity method investments           $ 981   $ 1,019
Difference between equity method investment carrying value and book value           980   1,033
Dividends from unconsolidated subsidiaries           36   203
Value of financial guarantee (up to)           385    
Dividend income $ 536 $ 750            
Income from equity securities without readily determinable fair value         $ 303      
Impairment related to equity securities           511 $ 0  
Equity securities, unrealized loss           (435)    
Equity securities, unrealized loss, net           (339)    
Definite-Lived Intangibles And Other Assets                
Schedule of Equity Method Investments [Line Items]                
Difference between equity method investment carrying value and book value           152   161
Fair Value, Inputs, Level 1                
Schedule of Equity Method Investments [Line Items]                
Equity securities, noncurrent           $ 856   1,291
PM India | Related Party                
Schedule of Equity Method Investments [Line Items]                
Parent ownership percentage           56.30%    
TTI | PMM                
Schedule of Equity Method Investments [Line Items]                
Noncontrolling ownership percentage           33.00%    
Megapolis Group                
Schedule of Equity Method Investments [Line Items]                
Ownership percentage           23.00%    
Equity method investments, including cumulative foreign currency translation losses           $ 900    
Cumulative foreign currency translation losses           $ 600    
Société des Tabacs Algéro-Emiratie                
Schedule of Equity Method Investments [Line Items]                
Ownership percentage           25.00%    
Equity method investments, including cumulative foreign currency translation losses           $ 700    
Cumulative foreign currency translation losses           200    
RBH                
Schedule of Equity Method Investments [Line Items]                
Equity securities $ 567         51   569
Equity securities, financial projection period     5 years          
Impairment related to equity securities       $ 511        
Equity securities, impairment loss and downward price adjustment, cumulative amount           $ 3,060   $ 2,549
Eastern                
Schedule of Equity Method Investments [Line Items]                
Ownership percentage           14.70%