XML 97 R86.htm IDEA: XBRL DOCUMENT v3.10.0.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Decrease (increase) in:      
Accounts receivable - trade $ 123.1 $ (137.3)  
Accounts receivable - related parties (0.3) (2.2)  
Inventories (474.2) (92.7)  
Prepaid and other current assets (124.7) 284.3  
Other assets (9.9) (89.3)  
Increase (decrease) in:      
Accounts payable - trade 213.1 3.5  
Accounts payable - related parties 47.4 37.7  
Accrued product payables 356.9 98.7  
Accrued interest (167.5) (134.3)  
Other current liabilities (261.7) (481.5)  
Other liabilities 35.9 1.0  
Net effect of changes in operating accounts (261.9) (512.1)  
Liability for construction in progress expenditures 510.5   $ 373.0
Contributions in aid of construction costs $ 0.0 $ 36.2