INTERIM CONSOLIDATED BALANCE SHEETS AS AT (unaudited) - CAD ($) $ in Millions	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 150		$ 338
Accounts receivable, net	759		687
Materials and supplies	156		152
Other current assets	65		97
Total current assets	1,130		1,274
Investments	201		182
Properties	17,792		17,016
Goodwill and intangible assets	192		187
Pension asset	1,726		1,407
Other assets	68		69
Total assets	21,109		20,135
Current liabilities
Accounts payable and accrued liabilities	1,189		1,238
Long-term debt maturing within one year	480		746
Total current liabilities	1,669		1,984
Pension and other benefit liabilities	746		749
Other long-term liabilities	232		231
Long-term debt	7,806		7,413
Deferred income taxes	3,528		3,321
Total liabilities	13,981		13,698
Shareholders’ equity
Share capital	2,017		2,032
Additional paid-in capital	47		43
Accumulated other comprehensive loss	(1,654)	$ (1,673)	(1,741)	$ (1,715)	$ (1,740)	$ (1,799)
Retained earnings	6,718		6,103
Total shareholders' equity	7,128		6,437	$ 5,565		$ 4,626
Total liabilities and shareholders’ equity	$ 21,109		$ 20,135