XML 39 R23.htm IDEA: XBRL DOCUMENT v3.10.0.1
Changes in Operating Assets and Liabilities (Notes)
12 Months Ended
Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]  
Changes in Operating Assets and Liabilities Change in Operating Assets and Liabilities
The following amounts represent consolidated changes in operating assets and liabilities, which include changes for the Trans Mountain Asset Group. See Note 3 for a summary of operating and investing cash flows related to the Trans Mountain Asset Group.  

Year ended December 31,201820172016
(In millions of Canadian dollars)Cash inflow (outflow) 
Accounts receivable25.0 (3.8)25.9 
Inventories(0.2)(0.7)(1.5)
Other current assets(4.0)4.1 (3.2)
Deferred charges and other assets(5.6)(12.4)(4.2)
Accounts payable(48.0)(21.3)35.3 
Accrued taxes303.8 10.2 (0.5)
Other current liabilities3.6 (55.5)3.5 
Other deferred credits62.4 (15.0)(82.8)
337.0 (94.4)(27.5)