v3.24.0.1
Income Taxes: (Narrative) (Details)
$ in Millions, Rp in Trillions
 1 Months Ended 12 Months Ended
Oct. 31, 2021
USD ($)
Oct. 31, 2021
IDR (Rp)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Income Taxes [Line Items]          
Earnings before income taxes     $ 10,450 $ 11,634 $ 12,232
Income tax assessment $ 255 Rp 4.0      
Unrecognized tax benefits that, if recognized, would impact effective tax rate     55    
Income tax penalties and interest income (expense) recognized     $ 5 $ 2 $ (3)
Percentage increase (decrease) in effective income tax rate     3.10% (2.50%)  
Effective income tax rate (as a percent)     22.40% 19.30% 21.80%
Income tax expense (benefit)     $ 2,339 $ 2,244 $ 2,671
Net operating loss carryforwards     501 384  
Net operating loss carryforwards with unlimited period     274 173  
Valuation allowances     369 378  
Deferred Tax Liabilities, Undistributed Foreign Earnings     358 141  
TCJA. income tax payable included in income taxes and other liabilities     300 700  
Swedish Match          
Income Taxes [Line Items]          
Income tax expense (benefit)       203  
Other tax expense (benefit)       (10)  
Undistributed Earnings of Foreign Subsidiaries     600    
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries     $ 71    
Pension Plan          
Income Taxes [Line Items]          
Other tax expense (benefit)       $ (40)  
Minimum          
Income Taxes [Line Items]          
Foreign and U.S. state jurisdictions have statutes of limitations     3 years    
Maximum          
Income Taxes [Line Items]          
Foreign and U.S. state jurisdictions have statutes of limitations     5 years