XML 56 R45.htm IDEA: XBRL DOCUMENT v3.24.3
Debt and Credit Facilities (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Nov. 30, 2024
Feb. 28, 2024
Dec. 31, 2023
Proceeds from long-term debt $ 498.5 $ 699.1      
Long-term debt excluding current maturities 4,317.1       $ 3,977.9
Short-term borrowings and current maturities of long-term debt 952.2       801.9
Repayments of Long-term Debt 7.5 $ 708.8      
Debt Instrument, Fair Value Disclosure 5,300.0       4,700.0
Debt Instrument, Repaid, Principal 500.0        
Proceeds from Issuance of Debt 500.0        
Commercial Paper [Member]          
Short-term borrowings and current maturities of long-term debt 0.0       0.0
Debentures With Put Feature [Member]          
Short-term borrowings and current maturities of long-term debt 295.0       295.0
Debentures with put option available to be exercised     $ 257.8 $ 37.2  
Three Point Five Percent Senior notes Due Two Thousand Twenty Six [Member]          
Long-term debt excluding current maturities $ 399.2       $ 398.9
Debt Instrument, Interest Rate, Stated Percentage 3.50%       3.50%
Three Point Eight Percent Senior Notes Due Two Thousand Twenty Nine [Member]          
Long-term debt excluding current maturities $ 746.9       $ 746.4
Debt Instrument, Interest Rate, Stated Percentage 3.80%       3.80%
Four Point Five Percent Senior Notes Due Two Thousand Forty Nine [Member]          
Long-term debt excluding current maturities $ 346.3       $ 346.2
Debt Instrument, Interest Rate, Stated Percentage 4.50%       4.50%
5.75% Senior notes due 2043 [Member]          
Long-term debt excluding current maturities $ 495.6       $ 495.4
Debt Instrument, Interest Rate, Stated Percentage 5.75%       5.75%
Four Point Six Five Percent Senior Notes due Twenty Forty Four [Member]          
Long-term debt excluding current maturities $ 296.7       $ 296.6
Debt Instrument, Interest Rate, Stated Percentage 4.65%       4.65%
Commercial Paper [Member]          
Line of credit facility, amount outstanding $ 2,000.0        
Revolving Credit Facility [Member]          
Line of Credit Facility, Remaining Borrowing Capacity 2,000.0       $ 2,000.0
2026 Revolving Credit Facility          
Line of credit facility, amount outstanding 1,000.0        
2027 Revolving Credit Facility          
Line of credit facility, amount outstanding $ 1,000.0