INTERIM CONSOLIDATED BALANCE SHEETS AS AT (unaudited) - CAD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 125	$ 338
Accounts receivable, net	699	687
Materials and supplies	154	152
Other current assets	139	97
Total current assets	1,117	1,274
Investments	186	182
Properties	17,234	17,016
Goodwill and intangible assets	192	187
Pension asset	1,507	1,407
Other assets	82	69
Total assets	20,318	20,135
Current liabilities
Accounts payable and accrued liabilities	1,183	1,238
Long-term debt maturing within one year	756	746
Total current liabilities	1,939	1,984
Pension and other benefit liabilities	749	749
Other long-term liabilities	205	231
Long-term debt	7,601	7,413
Deferred income taxes	3,390	3,321
Total liabilities	13,884	13,698
Shareholders’ equity
Share capital	2,022	2,032
Additional paid-in capital	45	43
Accumulated other comprehensive loss	(1,705)	(1,741)	$ (1,769)	$ (1,799)
Retained earnings	6,072	6,103
Total shareholders' equity	6,434	6,437	$ 5,038	$ 4,626
Total liabilities and shareholders’ equity	$ 20,318	$ 20,135

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.