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DEBT - Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Nov. 30, 2024
Dec. 31, 2023
Mar. 31, 2023
Debt Instrument [Line Items]        
Total short-term debt $ 0.0   $ 0.0  
Total long-term debt - face value 5,391.1   3,941.5  
Unamortized discounts and debt issuance costs (83.7)   (63.4)  
Fair value adjustments 0.0   (0.3)  
Total long-term debt - book value 5,307.4   3,877.8  
Current maturities (400.5)   (0.5)  
Total long-term debt - reported value 4,906.9   3,877.3  
Estimated fair value of long-term debt 4,762.6   3,798.0  
Notes        
Debt Instrument [Line Items]        
Total long-term debt - face value 5,391.1      
Notes | 4.50% notes due 2025        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 400.0   400.0  
Interest rate (as percent) 4.50%      
Effective interest rate 4.65%      
Notes | 5.80% notes due 2026        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 0.0   $ 550.0 $ 550.0
Interest rate (as percent)     5.80% 5.80%
Notes | 3.90% notes due 2027        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 400.0   $ 400.0  
Interest rate (as percent) 3.90%      
Effective interest rate 4.00%      
Notes | 4.95% notes due 2029        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 500.0   0.0  
Effective interest rate 5.17%      
Notes | 3.50% notes due 2030        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 750.0   750.0  
Interest rate (as percent) 3.50%      
Effective interest rate 3.94%      
Notes | 5.35% notes due 2034        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 750.0   0.0  
Interest rate (as percent) 5.35%      
Effective interest rate 5.48%      
Notes | 7.15% notes due 2037        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 129.2   129.2  
Interest rate (as percent) 7.15%      
Effective interest rate 8.05%      
Notes | 4.50% notes due 2047        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 700.0   700.0  
Interest rate (as percent) 4.50%      
Effective interest rate 4.59%      
Notes | 4.70% notes due 2048        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 460.9   460.9  
Interest rate (as percent) 4.70%      
Effective interest rate 5.42%      
Notes | 5.70% notes due 2054        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 750.0 $ 750.0 0.0  
Interest rate (as percent) 5.70% 5.70%    
Effective interest rate 5.82%      
Other Notes        
Debt Instrument [Line Items]        
Total long-term debt - face value $ 1.0   1.4  
Commercial Paper        
Debt Instrument [Line Items]        
Total short-term debt 0.0   0.0  
Line of Credit | Bank line of credit expires 2029        
Debt Instrument [Line Items]        
Total short-term debt 0.0   0.0  
Total long-term debt - face value $ 0.0   $ 0.0