v3.26.3
Debt obligations - Schedule of Long-term Debt (Detail)
€ in Millions, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2026
EUR (€)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]                  
Total senior notes   $ 16,786   $ 16,786   $ 16,786     $ 16,850
Less current maturities   (4,038)   (4,038)   (4,038)     (1,798)
Less debt issuance costs   (69)   (69)   (69)     (66)
Senior notes and loans   12,680   12,680   12,680     14,986
Loss on extinguishment of debt   224   224 $ 0 224 $ 0    
Senior notes                  
Debt Instrument [Line Items]                  
Debt issuance costs   28   28   28      
Amortization of debt issuance costs   14              
Senior notes USD 3,500 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 3,500   $ 3,500   $ 3,500      
Weighted average interest rate   3.15%   3.15%   3.15%   3.15%  
Maturity           2026      
Total senior notes   $ 1,798   $ 1,798   $ 1,798     1,798
Senior notes USD 3,500 million | Subsequent event                  
Debt Instrument [Line Items]                  
Repaid amount $ 1,798                
Senior notes EUR 700 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 700  
Weighted average interest rate   1.88%   1.88%   1.88%   1.88%  
Maturity           2027      
Total senior notes   $ 794   $ 794   $ 794     823
Sustainability-linked senior notes USD 1,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 1,000   $ 1,000   $ 1,000      
Weighted average interest rate   4.75%   4.75%   4.75%   4.75%  
Maturity           2027      
Total senior notes   $ 199   $ 199   $ 199     649
Extinguishment of debt   $ 450              
Sustainability-linked senior notes EUR 1,100 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 1,100  
Weighted average interest rate   3.75%   3.75%   3.75%   3.75%  
Maturity           2027      
Total senior notes   $ 1,247   $ 1,247   $ 1,247     1,292
Senior notes USD 1,250 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 1,250   $ 1,250   $ 1,250      
Weighted average interest rate   6.75%   6.75%   6.75%   6.75%  
Maturity           2028      
Total senior notes   $ 0   $ 0   $ 0     1,250
Extinguishment of debt   $ 1,250              
Senior notes EUR 750 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 750  
Weighted average interest rate   1.63%   1.63%   1.63%   1.63%  
Maturity           2028      
Total senior notes   $ 850   $ 850   $ 850     880
Sustainability-linked senior notes USD 1,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 1,000   $ 1,000   $ 1,000      
Weighted average interest rate   5.13%   5.13%   5.13%   5.13%  
Maturity           2029      
Total senior notes   $ 1,000   $ 1,000   $ 1,000     1,000
Sustainability-linked senior notes USD 600 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 600   $ 600   $ 600      
Weighted average interest rate   7.88%   7.88%   7.88%   7.88%  
Maturity           2029      
Total senior notes   $ 0   $ 0   $ 0     398
Extinguishment of debt   $ 398              
Sustainability-linked senior notes EUR 800 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 800  
Weighted average interest rate   7.38%   7.38%   7.38%   7.38%  
Maturity           2029      
Total senior notes   $ 0   $ 0   $ 0     779
Extinguishment of debt | €     € 663            
Sustainability-linked senior notes EUR 1,500 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 1,500  
Weighted average interest rate   4.38%   4.38%   4.38%   4.38%  
Maturity           2030      
Total senior notes   $ 398   $ 398   $ 398     1,762
Extinguishment of debt | €     € 1,150            
Senior notes USD 700 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 700   $ 700   $ 700      
Weighted average interest rate   5.75%   5.75%   5.75%   5.75%  
Maturity           2030      
Total senior notes   $ 697   $ 697   $ 697     696
Sustainability-linked senior notes USD 500 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 500   $ 500   $ 500      
Weighted average interest rate   8.13%   8.13%   8.13%   8.13%  
Maturity           2031      
Total senior notes   $ 0   $ 0   $ 0     500
Extinguishment of debt   $ 500              
Sustainability-linked senior notes EUR 500 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 500  
Weighted average interest rate   7.88%   7.88%   7.88%   7.88%  
Maturity           2031      
Total senior notes   $ 568   $ 568   $ 568     587
Senior notes EUR 1,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 1,000  
Weighted average interest rate   4.13%   4.13%   4.13%   4.13%  
Maturity           2031      
Total senior notes   $ 1,129   $ 1,129   $ 1,129     1,168
Senior notes USD 500 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 500   $ 500   $ 500      
Weighted average interest rate   6.00%   6.00%   6.00%   6.00%  
Maturity           2032      
Total senior notes   $ 496   $ 496   $ 496     496
Senior notes USD 1,200 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 1,200   $ 1,200   $ 1,200      
Weighted average interest rate   5.25%   5.25%   5.25%   5.25%  
Maturity           2032      
Total senior notes   $ 1,188   $ 1,188   $ 1,188     0
Senior notes EUR 1,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 1,000  
Weighted average interest rate   4.25%   4.25%   4.25%   4.25%  
Maturity           2033      
Total senior notes   $ 1,120   $ 1,120   $ 1,120     0
Senior notes USD 1,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 1,000   $ 1,000   $ 1,000      
Weighted average interest rate   5.50%   5.50%   5.50%   5.50%  
Maturity           2034      
Total senior notes   $ 987   $ 987   $ 987     0
Senior notes USD 789 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 789   $ 789   $ 789      
Weighted average interest rate   6.15%   6.15%   6.15%   6.15%  
Maturity           2036      
Total senior notes   $ 784   $ 784   $ 784     784
Senior notes EUR 500 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount | €               € 500  
Weighted average interest rate   4.63%   4.63%   4.63%   4.63%  
Maturity           2036      
Total senior notes   $ 558   $ 558   $ 558     0
Senior notes USD 1,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 1,000   $ 1,000   $ 1,000      
Weighted average interest rate   5.75%   5.75%   5.75%   5.75%  
Maturity           2037      
Total senior notes   $ 985   $ 985   $ 985     0
Senior notes USD 2,000 million                  
Debt Instrument [Line Items]                  
Debt instrument face amount   $ 2,000   $ 2,000   $ 2,000      
Weighted average interest rate   4.10%   4.10%   4.10%   4.10%  
Maturity           2046      
Total senior notes   $ 1,988   $ 1,988   $ 1,988     $ 1,988