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Financial Instruments (Schedule of Short-term and Long-term Classification) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings $ (1,498.0) $ 0.0
Long-term debt, including current portion (14,815.3) (16,741.2)
Carrying Amount    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion (14,740.6) (16,884.7)
Carrying Amount | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings (1,498.0) 0.0
Estimate of Fair Value Measurement    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion (12,329.3) (18,157.7)
Estimate of Fair Value Measurement | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings (1,492.0) 0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Estimate of Fair Value Measurement    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion 0.0 0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Estimate of Fair Value Measurement | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings 0.0 0.0
Significant Other Observable Inputs (Level 2) | Estimate of Fair Value Measurement    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion (12,329.3) (18,157.7)
Significant Other Observable Inputs (Level 2) | Estimate of Fair Value Measurement | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings (1,492.0) 0.0
Significant Unobservable Inputs (Level 3) | Estimate of Fair Value Measurement    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Long-term debt, including current portion 0.0 0.0
Significant Unobservable Inputs (Level 3) | Estimate of Fair Value Measurement | Commercial Paper    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Short-term commercial paper borrowings $ 0.0 $ 0.0