XML 99 R85.htm IDEA: XBRL DOCUMENT v3.10.0.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Decrease (increase) in:      
Accounts receivable - trade $ 18.6 $ 602.7  
Accounts receivable - related parties (0.2) (1.9)  
Inventories 17.6 234.3  
Prepaid and other current assets (82.4) 213.7  
Other assets (11.9) (64.2)  
Increase (decrease) in:      
Accounts payable - trade 112.1 46.6  
Accounts payable - related parties (3.1) (8.4)  
Accrued product payables 30.7 (694.2)  
Accrued interest 14.0 (0.8)  
Other current liabilities (306.4) (252.4)  
Other liabilities (17.5) 6.7  
Net effect of changes in operating accounts (228.5) 82.1  
Liability for construction in progress expenditures 359.0   $ 373.0
Contributions in aid of construction costs $ 0.0 $ 29.6