XML 80 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Assets and Liabilities Held for Sale (Tables) (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Assets and Liabilities Held for Sale [Line Items]    
Assets held for sale $ 1,565.7 $ 0.0
Liabilities held for sale 451.8 $ 0.0
Massachusetts Business    
Assets and Liabilities Held for Sale [Line Items]    
Assets Held for Sale Net Property, Plant and Equipment 1,705.0  
Assets Held for Sale Total Current Assets 161.5  
Assets Held for Sale Total Other Assets 91.8  
Gain (Loss) on Sale of Assets and Asset Impairment Charges [1] (392.6)  
Assets held for sale 1,565.7  
Liabilities Held for Sale Long Term Debt 41.6  
Liabilities Held for Sale Total Current Liabilities 60.1  
Liabilities Held for Sale Total Other Liabilities 350.1  
Liabilities held for sale $ 451.8  
[1] (1) Amount differs from that presented in the Condensed Statements of Consolidated Income (Loss) (unaudited) due to cash already paid for certain transaction costs.