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CHANGES IN OPERATING WORKING CAPITAL
 12 Months Ended
Dec. 31, 2017
CHANGES IN OPERATING WORKING CAPITAL  
CHANGES IN OPERATING WORKING CAPITAL
CHANGES IN OPERATING WORKING CAPITAL
year ended December 31
2017

 
2016

 
2015

(millions of Canadian $)
 
 
 
 
 
 
Increase in Accounts receivable
(573
)
 
(487
)
 
(19
)
Increase in Inventories
(38
)
 
(87
)
 
(3
)
Decrease/(increase) in Assets held for sale
14

 
(13
)
 
—

Decrease/(increase) in Other current assets
189

 
328

 
(273
)
Increase/(decrease) in Accounts payable and other
149

 
432

 
(103
)
Increase in Accrued interest
12

 
62

 
91

(Decrease)/increase in Liabilities related to assets held for sale
(25
)
 
16

 
—

(Increase)/decrease in Operating Working Capital
(272
)
 
251

 
(307
)