Quarterly report pursuant to Section 13 or 15(d)

DEBT - Schedule of Debt Outstanding (Details)

v3.21.2
DEBT - Schedule of Debt Outstanding (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Aug. 31, 2021
Aug. 11, 2021
Dec. 31, 2020
Apr. 22, 2020
Debt Instrument [Line Items]          
Total debt $ 5,501.1     $ 4,402.2  
Less short-term debt and current maturities (500.6)     (1,101.1)  
Less unamortized discounts and debt issuance costs (31.1)     (23.8)  
Total long-term debt, net 4,969.4     3,277.3  
Commercial paper          
Debt Instrument [Line Items]          
Total debt 500.0     0.0  
Notes, 2.3%, due June 2021          
Debt Instrument [Line Items]          
Total debt $ 0.0     500.0  
Debt instrument, interest rate (as a percent) 2.30%        
Notes, 3.6%, due August 2021          
Debt Instrument [Line Items]          
Total debt $ 0.0     300.0  
Debt instrument, interest rate (as a percent) 3.60%        
Notes, Floating Rate, due August 2021          
Debt Instrument [Line Items]          
Total debt $ 0.0     300.0  
Notes, 3.3%, due December 2022          
Debt Instrument [Line Items]          
Total debt $ 500.0     500.0  
Debt instrument, interest rate (as a percent) 3.30%        
Notes, 3.95%, due June 2023          
Debt Instrument [Line Items]          
Total debt $ 400.0     400.0  
Debt instrument, interest rate (as a percent) 3.95%        
Notes, 2.6%, due December 2024          
Debt Instrument [Line Items]          
Total debt $ 750.0     750.0  
Debt instrument, interest rate (as a percent) 2.60%        
Notes, 2.6%, due December 2025          
Debt Instrument [Line Items]          
Total debt $ 400.0     400.0 $ 400.0
Debt instrument, interest rate (as a percent) 2.60%       2.60%
Notes, 3.25%, due June 2026          
Debt Instrument [Line Items]          
Total debt $ 275.0     275.0  
Debt instrument, interest rate (as a percent) 3.25%        
Term loan, due August 2026          
Debt Instrument [Line Items]          
Total debt $ 700.0 $ 700.0   0.0  
Debentures, 6.9%, due July 2028          
Debt Instrument [Line Items]          
Total debt $ 125.0     125.0  
Debt instrument, interest rate (as a percent) 6.90%        
Notes, 3.1%, due May 2030          
Debt Instrument [Line Items]          
Total debt $ 600.0     600.0 $ 600.0
Debt instrument, interest rate (as a percent) 3.10%       3.10%
Notes, 2.35%, due September 2031          
Debt Instrument [Line Items]          
Total debt $ 1,000.0   $ 1,000.0 0.0  
Debt instrument, interest rate (as a percent) 2.35%        
Notes, 7.0%, due July 2037          
Debt Instrument [Line Items]          
Total debt $ 250.0     250.0  
Debt instrument, interest rate (as a percent) 7.00%        
Other          
Debt Instrument [Line Items]          
Total debt $ 1.1     $ 2.2