XML 73 R61.htm IDEA: XBRL DOCUMENT v3.19.2
Debt (Summary of long-term debt maturities) (Details) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2019
Sep. 30, 2018
Short-term Debt [Line Items]    
2019 $ 0.0  
2020 1,250.0  
2021 500.0  
2022 1,000.0  
2023 1,538.5  
Thereafter 6,950.0  
Total 11,238.5 $ 9,548.4
Commercial Paper [Member]    
Short-term Debt [Line Items]    
Maximum allowable amount under Commercial Paper Program $ 3,000.0  
Maximum [Member] | Commercial Paper [Member]    
Short-term Debt [Line Items]    
Maximum allowable maturity period of credit under Commercial Paper Program 397 days