v3.26.1
Indebtedness: (Schedule of Long-Term Debt) (Details)
$ in Millions, € in Billions
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 29, 2026
USD ($)
Jun. 29, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]        
Finance leases, average interest rate 4.552%      
Finance leases $ 99     $ 84
Long-term debt, including current maturities 45,772     48,667
Less current portion of long-term debt 3,406     3,533
Long-term debt $ 42,366     45,134
U.S. Dollar Notes        
Debt Instrument [Line Items]        
Average interest rate 4.719%      
Long-term debt, including current maturities $ 37,371     37,430
U.S. Dollar Notes | Minimum        
Debt Instrument [Line Items]        
Interest rate, stated percentage 1.75%      
U.S. Dollar Notes | Maximum        
Debt Instrument [Line Items]        
Interest rate, stated percentage 6.375%      
Euro Notes | Euro notes        
Debt Instrument [Line Items]        
Average interest rate 2.039%      
Long-term debt, including current maturities $ 6,563     7,942
Euro Notes | Euro notes | Minimum        
Debt Instrument [Line Items]        
Interest rate, stated percentage 0.125%      
Euro Notes | Euro notes | Maximum        
Debt Instrument [Line Items]        
Interest rate, stated percentage 3.75%      
Euro Bank Loan | Euro notes        
Debt Instrument [Line Items]        
Average interest rate 2.859%      
Euro Bank Loan | Euro notes | Unsecured Debt        
Debt Instrument [Line Items]        
Long-term debt, including current maturities $ 1,711 $ 1,700 € 1.5 2,944
Swedish Krona Notes | Euro notes        
Debt Instrument [Line Items]        
Average interest rate 2.19%      
Long-term debt, including current maturities $ 28     $ 267