INTERIM CONSOLIDATED BALANCE SHEETS AS AT (unaudited) - CAD CAD in Millions	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	CAD 238	CAD 164
Accounts receivable, net	604	591
Materials and supplies	192	184
Other current assets	85	70
Total current assets	1,119	1,009
Investments	186	194
Properties	16,703	16,689
Goodwill and intangible assets	195	202
Pension asset	1,261	1,070
Other assets	73	57
Total assets	19,537	19,221
Current liabilities
Accounts payable and accrued liabilities	1,183	1,322
Long-term debt maturing within one year	762	25
Total current liabilities	1,945	1,347
Pension and other benefit liabilities	729	734
Other long-term liabilities	222	284
Long-term debt	7,660	8,659
Deferred income taxes	3,648	3,571
Total liabilities	14,204	14,595
Shareholders’ equity
Share capital	2,038	2,002
Additional paid-in capital	42	52
Accumulated other comprehensive loss	(1,740)	(1,799)
Retained earnings	4,993	4,371
Total Shareholders' equity	5,333	4,626	CAD 4,691	CAD 4,796
Total liabilities and shareholders’ equity	CAD 19,537	CAD 19,221

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.