v3.26.3
Debt and Credit Agreements - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Aug. 31, 2026
Apr. 30, 2026
Mar. 24, 2026
Dec. 31, 2025
Debt Instrument [Line Items]          
Debt issuance costs $ (189)       $ (280)
Total Long-term debt and current related maturities 14,169       28,678
Less: Current maturities of long-term debt 3,783       1,541
Total Long-term debt $ 10,386       27,137
One month term SOFR plus 0.875% term loan due 2027          
Debt Instrument [Line Items]          
Total Long-term debt and current related maturities   $ 2,750      
6.625% debentures due 2028          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 6.625%        
Debentures $ 141       201
9.065% debentures due 2033          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 9.065%        
Debentures $ 40       51
Industrial development bond obligations, floating rate maturing at various dates through 2037          
Debt Instrument [Line Items]          
Industrial development bond obligations, floating rate maturing at various dates through 2037 $ 12       22
Other (including finance leases), 2.9% weighted average interest rate maturing at various dates through 2040          
Debt Instrument [Line Items]          
Weighted average interest rate 2.90%        
Other (including finance leases), 2.9% weighted average interest rate maturing at various dates through 2040 $ 109       101
Fair Value Hedging | Designated as Hedging Instrument          
Debt Instrument [Line Items]          
Fair value of hedging instruments $ (105)       (79)
Senior Notes | 2.50% notes due 2026          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 2.50%        
Senior notes $ 1,500       1,500
Senior Notes | 1.10% notes due 2027          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 1.10%        
Senior notes $ 1,000       1,000
Senior Notes | 3.50% euro notes due 2027          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 3.50%   3.50% 3.50%  
Senior notes $ 0       763
Senior Notes | 4.65% notes due 2027          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.65%   4.65%    
Senior notes $ 0       1,150
Senior Notes | 4.95% notes due 2028          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.95%   4.95%    
Senior notes $ 0       500
Senior Notes | 2.25% euro notes due 2028          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 2.25%   2.25% 2.25%  
Senior notes $ 0       881
Senior Notes | 4.25% notes due 2029          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.25%   4.25%    
Senior notes $ 0       750
Senior Notes | 2.70% notes due 2029          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 2.70%        
Senior notes $ 750       750
Senior Notes | 4.875% notes due 2029          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.875%   4.875%    
Senior notes $ 0       500
Senior Notes | 4.70% notes due 2030          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.70%   4.70%    
Senior notes $ 0       1,000
Senior Notes | 3.375% euro notes due 2030          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 3.375%     3.375%  
Senior notes $ 408       881
Senior Notes | 1.95% notes due 2030          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 1.95%        
Senior notes $ 949       949
Senior Notes | 4.95% notes due 2031          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.95%     4.95%  
Senior notes $ 226       500
Senior Notes | 1.75% notes due 2031          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 1.75%        
Senior notes $ 1,496       1,496
Senior Notes | 4.75% notes due 2032          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.75%     4.75%  
Senior notes $ 281       650
Senior Notes | 0.750% Senior Notes due 2032          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 0.75%        
Senior notes $ 571       587
Senior Notes | 3.75% euro notes due 2032          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 3.75%     3.75%  
Senior notes $ 203       587
Senior Notes | 5.00% notes due 2033          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.00%        
Senior notes $ 460       1,100
Senior Notes | 4.50% notes due 2034          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.50%        
Senior notes $ 1,000       1,000
Senior Notes | 4.125% euro notes due 2034          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.125%     4.125%  
Senior notes $ 610       1,174
Senior Notes | 5.00% notes due 2035          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.00%        
Senior notes $ 517       1,450
Senior Notes | 3.75% euro notes due 2036          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 3.75%        
Senior notes $ 429       881
Senior Notes | 5.70% notes due 2036          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.70%        
Senior notes $ 226       441
Senior Notes | 5.70% notes due 2037          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.70%        
Senior notes $ 220       462
Senior Notes | 5.375% notes due 2041          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.375%        
Senior notes $ 196       417
Senior Notes | 3.812% notes due 2047          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 3.812%        
Senior notes $ 442       442
Senior Notes | 2.80% notes due 2050          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 2.80%        
Senior notes $ 701       701
Senior Notes | 5.25% notes due 2054          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.25%        
Senior notes $ 537       1,750
Senior Notes | 5.35% notes due 2064          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 5.35%        
Senior notes $ 189       650
Senior Notes | 4.37% term loan due 2027          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 4.37%        
Senior notes $ 0       1,000
Senior Notes | One month term SOFR plus 0.875% term loan due 2027          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 0.875%        
Senior notes $ 1,250       $ 2,750
Senior Notes | 6.625% debentures due 2028          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage       6.625%  
Senior Notes | 9.065% debentures due 2033          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage       9.065%