v3.26.3
Debt - Long-Term Debt (Details)
€ in Millions, ¥ in Millions, $ in Millions
Sep. 30, 2026
USD ($)
Sep. 30, 2026
JPY (¥)
Sep. 30, 2026
EUR (€)
May 22, 2026
USD ($)
May 22, 2026
JPY (¥)
Mar. 03, 2026
Dec. 31, 2025
USD ($)
Dec. 31, 2025
JPY (¥)
Debt Instrument [Line Items]                
Short-term borrowings $ 390           $ 0  
Other, net (22)           (16)  
Total debt 4,443           3,050  
Less: amounts due within one year 391           191  
Total long-term debt $ 4,052           2,859  
6.750% Bonds, due 2028 | Currency Swap                
Debt Instrument [Line Items]                
Fixed interest rate (as a percent) 3.88% 3.88% 3.88% 3.88% 3.88%      
Derivative liability | ¥   ¥ 47,760     ¥ 47,760      
4.850% Notes, due 2031 | Currency Swap                
Debt Instrument [Line Items]                
Fixed interest rate (as a percent) 3.72% 3.72% 3.72%          
Derivative liability | €     € 458          
Term Loan | JPY Term Loan Facility                
Debt Instrument [Line Items]                
Amount outstanding $ 0 ¥ 0         191 ¥ 29,702
Bonds | 6.750% Bonds, due 2028                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 6.75% 6.75% 6.75%          
Amount outstanding $ 300     $ 300     300  
Notes | 3.750% Notes, due 2028                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 3.75% 3.75% 3.75%     3.75%    
Amount outstanding $ 400           0  
Notes | 3.000% Notes, due 2029                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 3.00% 3.00% 3.00%          
Amount outstanding $ 700           700  
Notes | 3.900% Notes, due 2029                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 3.90% 3.90% 3.90%     3.90%    
Amount outstanding $ 300           0  
Notes | 4.850% Notes, due 2031                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 4.85% 4.85% 4.85%          
Amount outstanding $ 500           500  
Notes | 4.550% Notes, due 2032                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 4.55% 4.55% 4.55%          
Amount outstanding $ 500           500  
Notes | 4.750% Notes, due 2036                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 4.75% 4.75% 4.75%     4.75%    
Amount outstanding $ 500           0  
Notes | 5.950% Notes, due 2037                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 5.95% 5.95% 5.95%          
Amount outstanding $ 625           625  
Loans | 4.750% Iowa Finance Authority Loan, due 2042                
Debt Instrument [Line Items]                
Long-term debt, interest rate (as a percent) 4.75% 4.75% 4.75%          
Amount outstanding $ 250           $ 250