v3.25.2
Financial Instruments - Schedule of Short-term and Long-term Classification (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Carrying Amount    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion $ 35,812.0 $ 29,306.7
Carrying Amount | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings 4,091.7 4,337.6
Estimate of Fair Value Measurement    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion 32,907.3 26,249.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion 0.0 0.0
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion 32,907.3 26,249.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion 0.0 0.0
Estimate of Fair Value Measurement | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings 4,083.6 4,319.4
Estimate of Fair Value Measurement | Commercial Paper | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings 0.0 0.0
Estimate of Fair Value Measurement | Commercial Paper | Significant Other Observable Inputs (Level 2)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings 4,083.6 4,319.4
Estimate of Fair Value Measurement | Commercial Paper | Significant Unobservable Inputs (Level 3)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings $ 0.0 $ 0.0