Annual report pursuant to Section 13 and 15(d)

DEBT - Narrative (Details)

v3.20.4
DEBT - Narrative (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 22, 2020
USD ($)
May 12, 2016
USD ($)
Dec. 17, 2012
USD ($)
Jun. 18, 2007
USD ($)
May 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2018
USD ($)
extension
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Apr. 10, 2020
Nov. 15, 2019
USD ($)
Aug. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Debt Instrument [Line Items]                              
Debt outstanding                 $ 4,402,200,000 $ 3,403,100,000          
Long-term debt                 4,402,200,000            
Line of credit facility, potential maximum borrowing capacity               $ 1,600,000,000              
Letters of credit outstanding                 700,000            
Maximum leverage ratio (not more than)               3.5              
Leverage ratio, maximum allowed increase following a material acquisition               0.5              
Leverage ratio, maximum allowed following a material acquisition               4.0              
Commercial paper notes           $ 1,100,000,000                  
Cash paid for interest, net of capitalized interest                 $ 130,900,000 105,300,000 $ 88,200,000        
June 30, 2020 through September 30, 2021                              
Debt Instrument [Line Items]                              
Maximum leverage ratio (not more than)                       4.5      
Fiscal quarter ending December 31, 2021                              
Debt Instrument [Line Items]                              
Maximum leverage ratio (not more than)                       4.0      
March 31, 2022                              
Debt Instrument [Line Items]                              
Maximum leverage ratio (not more than)                       3.5      
Maximum                              
Debt Instrument [Line Items]                              
Commercial paper, maturity period range           397 days                  
Notes, 2.60%, due December 2025                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent) 2.60%               2.60%            
Debt outstanding $ 400,000,000.0               $ 400,000,000.0 0          
Debt instrument, term 5 years                            
Notes, 3.1%, due May 2030                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent) 3.10%               3.10%            
Debt outstanding $ 600,000,000.0               $ 600,000,000.0 $ 0          
Debt instrument, term 10 years                            
Notes, 2.60%, due December 2024                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)                 2.60% 2.60%     2.60%    
Debt outstanding                 $ 750,000,000.0 $ 750,000,000.0     $ 750,000,000.0    
Debt instrument, term             5 years                
Notes, 3.60%, due Aug 2021                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)         3.60%       3.60% 3.60%          
Debt outstanding                 $ 300,000,000.0 $ 300,000,000.0          
Long-term debt         $ 300,000,000.0                    
Notes, 3.95%, due May 2023                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)         3.95%       3.95% 3.95%          
Debt outstanding                 $ 400,000,000.0 $ 400,000,000.0          
Long-term debt         $ 400,000,000.0                    
Notes, Floating Rate, due Aug 2021                              
Debt Instrument [Line Items]                              
Debt outstanding                 300,000,000.0 $ 300,000,000.0          
Long-term debt         $ 300,000,000.0                    
Revolver                              
Debt Instrument [Line Items]                              
Long-term line of credit, borrowings outstanding                 0            
Credit facility, available for borrowings                 1,100,000,000            
Commercial Paper                              
Debt Instrument [Line Items]                              
Debt outstanding                 $ 0            
Receivables Securitization Facility                              
Debt Instrument [Line Items]                              
Credit facility, borrowing capacity                             $ 225,000,000.0
Notes, 2.30%, due June 2021                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)                 2.30% 2.30%          
Debt outstanding                 $ 500,000,000.0 $ 500,000,000.0          
Notes, 2.30%, due June 2021 | Senior Notes                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)   2.30%                          
Debt instrument, term   5 years                          
Long-term debt   $ 500,000,000.0                          
Notes, 3.25%, due June 2026                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)                 3.25% 3.25%          
Debt outstanding                 $ 275,000,000.0 $ 275,000,000.0          
Notes, 3.25%, due June 2026 | Senior Notes                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)   3.25%                          
Debt instrument, term   10 years                          
Long-term debt   $ 275,000,000.0                          
Notes, 7.00%, due July 2037                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)                 7.00% 7.00%          
Debt outstanding                 $ 250,000,000.0 $ 250,000,000.0          
Notes, 7.00%, due July 2037 | Senior Notes                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)       7.00%                      
Debt instrument, term       30 years                      
Long-term debt       $ 250,000,000.0                      
Notes, 3.30%, due Dec 2022                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)                 3.30% 3.30%          
Debt outstanding                 $ 500,000,000.0 $ 500,000,000.0          
Notes, 3.30%, due Dec 2022 | Senior Notes                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)     3.30%                        
Debt instrument, term     10 years                        
Long-term debt     $ 500,000,000.0                        
Debentures, 6.90%, due July 2028                              
Debt Instrument [Line Items]                              
Long term debt, interest rate (as a percent)                 6.90% 6.90%          
Debt outstanding                 $ 125,000,000.0 $ 125,000,000.0          
Long-term debt                 $ 125,000,000.0            
London Interbank Offered Rate (LIBOR) | Notes, Floating Rate, due Aug 2021                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate         0.87%                    
Term Loan                              
Debt Instrument [Line Items]                              
Debt instrument, term         3 years                    
Credit facility, borrowing capacity         $ 800,000,000.0                    
Revolver                              
Debt Instrument [Line Items]                              
Debt instrument, term               5 years              
Credit facility, borrowing capacity               $ 1,100,000,000           $ 900,000,000  
Maximum number of extensions, maturity date | extension               2              
Credit facility, maturity date, extension period               1 year              
Commercial Paper                              
Debt Instrument [Line Items]                              
Long-term line of credit, borrowings outstanding             $ 0