XML 57 R47.htm IDEA: XBRL DOCUMENT v3.10.0.1
Debt and Credit Facilities (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Feb. 29, 2016
Short-term borrowings and current maturities of long-term debt $ 350.6   $ 1,107.0  
Repayments of Long-term Debt 1,122.9 $ 7.6    
Line of credit facility, amount outstanding 2,000.0      
Debt Instrument, Fair Value Disclosure 4,400.0      
Five Year Revolving Credit Facility Refinanced [Member]        
Line of credit facility, amount outstanding 2,000.0      
Five Year Revolving Credit Facility [Member]        
Line of credit facility, amount outstanding 1,000.0      
Debentures With Put Feature [Member]        
Short-term borrowings and current maturities of long-term debt $ 343.0   $ 343.0  
Debt Instrument, Maturity Date Range, Start Jan. 01, 2027      
Debt instrument, maturity date range, end Dec. 31, 2028      
Debentures with put option available to be exercised       $ 37.2
2.875% Senior notes due 2019 [Member]        
Debt Instrument, Interest Rate, Stated Percentage 2.875%   2.875%  
4.25% Senior notes due 2023 [Member]        
Debt Instrument, Interest Rate, Stated Percentage 4.25%   4.25%  
5.75% Senior notes due 2043 [Member]        
Debt Instrument, Interest Rate, Stated Percentage 5.75%   5.75%  
Two Point Six Two Five Percent Senior Notes Due Two Thousand Twenty [Member]        
Debt Instrument, Interest Rate, Stated Percentage 2.625%   2.625%  
Three Point Five Five Percent Senior Notes due 2024 [Member]        
Debt Instrument, Interest Rate, Stated Percentage 3.55%   3.55%  
Four Point Six Five Percent Senior Notes due Twenty Forty Four [Member]        
Debt Instrument, Interest Rate, Stated Percentage 4.65%   4.65%