XML 87 R76.htm IDEA: XBRL DOCUMENT v3.21.1
Short-Term Borrowings (Schedule Of Short-Term Borrowings) (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Short-term Debt [Line Items]    
Commercial paper weighted-average interest rate of 0.19% and 0.27% at March 31, 2021 and December 31, 2020, respectively $ 520.0 $ 503.0
Total short-term borrowings $ 520.0 $ 503.0
Commercial Paper    
Short-term Debt [Line Items]    
Short-term Debt, Weighted Average Interest Rate, at Point in Time 0.19% 0.27%