XML 94 R83.htm IDEA: XBRL DOCUMENT v3.19.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Mar. 29, 2018
Decrease (increase) in:        
Accounts receivable - trade $ (653.0) $ (106.8)    
Accounts receivable - related parties 2.0 (0.8)    
Inventories (84.5) (19.5)    
Prepaid and other current assets (223.4) (71.9)    
Other assets (13.2) (10.3)    
Increase (decrease) in:        
Accounts payable - trade (35.7) (53.1)    
Accounts payable - related parties (7.9) (0.9)    
Accrued product payables 673.0 328.4    
Accrued interest (178.7) (147.3)    
Other current liabilities (8.4) (106.9)    
Other liabilities (30.0) (14.0)    
Net effect of changes in operating accounts (559.8) (203.1)    
Liability for construction in progress expenditures 380.2   $ 567.6  
Business Combination        
Cash used for business combinations, net of cash received 0.0 149.8    
Gain on step acquisition of Delaware Processing $ 0.0 37.0    
Delaware Basin Gas Processing LLC [Member]        
Business Combination        
Remaining membership interest acquired       50.00%
Cash used for business combinations, net of cash received   150.0    
Gain on step acquisition of Delaware Processing   $ 37.0