v3.24.0.1
Indebtedness: (Long-Term Debt) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Total long-term debt $ 45,941 $ 37,486
Less current portion of long-term debt 4,698 2,611
Long-term debt 41,243 34,875
Finance leases $ 53 54
U.S. dollar credit facility borrowings related to Swedish Match AB acquisition    
Debt Instrument [Line Items]    
Average interest rate 4.446%  
Total long-term debt $ 30,272 22,596
Foreign Currency Obligations | Euro Notes Payable    
Debt Instrument [Line Items]    
Average interest rate 1.877%  
Total long-term debt $ 8,526 8,116
Foreign Currency Obligations | Swiss Franc Notes    
Debt Instrument [Line Items]    
Average interest rate 1.625%  
Total long-term debt $ 299 378
Foreign Currency Obligations | Euro Bank Loan    
Debt Instrument [Line Items]    
Average interest rate 4.453%  
Total long-term debt $ 6,121 5,850
Foreign Currency Obligations | Swedish Krona Notes    
Debt Instrument [Line Items]    
Average interest rate 2.016%  
Total long-term debt $ 236 343
Foreign Currency Obligations | Other    
Debt Instrument [Line Items]    
Average interest rate 6.027%  
Total long-term debt $ 487 $ 203
Minimum | U.S. dollar credit facility borrowings related to Swedish Match AB acquisition    
Debt Instrument [Line Items]    
Interest rate, stated rate (as a percent) 0.875%  
Minimum | Foreign Currency Obligations | Euro Notes Payable    
Debt Instrument [Line Items]    
Interest rate, stated rate (as a percent) 0.125%  
Minimum | Foreign Currency Obligations | Swedish Krona Notes    
Debt Instrument [Line Items]    
Interest rate, stated rate (as a percent) 1.395%  
Maximum | U.S. dollar credit facility borrowings related to Swedish Match AB acquisition    
Debt Instrument [Line Items]    
Interest rate, stated rate (as a percent) 6.375%  
Maximum | Foreign Currency Obligations | Euro Notes Payable    
Debt Instrument [Line Items]    
Interest rate, stated rate (as a percent) 3.125%  
Maximum | Foreign Currency Obligations | Swedish Krona Notes    
Debt Instrument [Line Items]    
Interest rate, stated rate (as a percent) 2.71%