Quarterly report [Sections 13 or 15(d)]

DEBT - Schedule of Long-Term Debt (Details)

v3.26.3
DEBT - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Dec. 31, 2021
Debt Instrument [Line Items]      
Other debt $ 166 $ 175  
Unamortized discount and deferred issuance costs (85) (91)  
Fair value adjustments due to hedge on indebtedness (144) (57)  
Finance leases 128 136  
Total long-term debt 6,788 6,886  
Less: Current maturities of long-term debt 154 94  
Long-term debt $ 6,634 6,792  
Debentures, due 2027      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 6.75%    
Long-term debt $ 58 58  
Debentures, due 2028      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 7.125%    
Long-term debt $ 250 250  
Senior notes, due 2028      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 4.25%    
Long-term debt $ 300 300  
Senior notes, due 2029      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 4.90%    
Long-term debt $ 500 500  
Senior notes, due 2030      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 1.50%   1.50%
Long-term debt $ 850 850 $ 850
Senior notes, due 2031      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 4.70%    
Long-term debt $ 700 700  
Senior notes, due 2034      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 5.15%    
Long-term debt $ 750 750  
Senior notes, due 2035      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 5.30%    
Long-term debt $ 1,000 1,000  
Senior notes, due 2043      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 4.875%    
Long-term debt $ 500 500  
Senior notes, due 2050      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 2.60%    
Long-term debt $ 650 650  
Senior notes, due 2054      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 5.45%    
Long-term debt $ 1,000 1,000  
Debentures, due 2098      
Debt Instrument [Line Items]      
Debt instrument interest rate (as a percent) 5.65%    
Long-term debt $ 165 $ 165  
Effective interest rate (as a percent) 7.48%