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INCOME TAXES - Deferred income taxes (Details) - CAD CAD in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016
Deferred tax assets and liabilities |  |  |  |
Deferred tax assets |  |  | CAD 3 | CAD 8
Deferred tax liabilities |  |  | (2,206) | (1,917)
Net deferred tax liability | CAD (1,909) | CAD (2,057) | (2,203) | (1,909)
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | (1,909) | (2,057) |  |
(Expense) recovery in net income | (284) | 62 |  |
(Expense) recovery in other comprehensive income | (5) | 86 |  |
Other | (5) |  |  |
Deferred tax assets (liabilities), end of period | (2,203) | (1,909) |  |
Property, plant and equipment and inventory |  |  |  |
Deferred tax assets and liabilities |  |  |  |
Net deferred tax liability | (947) | (921) | (1,060) | (947)
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | (947) | (921) |  |
(Expense) recovery in net income | (113) | (26) |  |
(Expense) recovery in other comprehensive income | 0 | 0 |  |
Other | 0 |  |  |
Deferred tax assets (liabilities), end of period | (1,060) | (947) |  |
Goodwill and other intangibles |  |  |  |
Deferred tax assets and liabilities |  |  |  |
Net deferred tax liability | (953) | (844) | (1,075) | (953)
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | (953) | (844) |  |
(Expense) recovery in net income | (117) | (109) |  |
(Expense) recovery in other comprehensive income | 0 | 0 |  |
Other | (5) |  |  |
Deferred tax assets (liabilities), end of period | (1,075) | (953) |  |
Stub period income and partnership reserve |  |  |  |
Deferred tax assets and liabilities |  |  |  |
Net deferred tax liability | 0 | (178) |  | 0
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | 0 | (178) |  |
(Expense) recovery in net income |  | 178 |  |
(Expense) recovery in other comprehensive income |  | 0 |  |
Deferred tax assets (liabilities), end of period |  | 0 |  |
Investments |  |  |  |
Deferred tax assets and liabilities |  |  |  |
Net deferred tax liability | (61) | (61) | (126) | (61)
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | (61) | (61) |  |
(Expense) recovery in net income | (3) | 7 |  |
(Expense) recovery in other comprehensive income | (62) | (7) |  |
Other | 0 |  |  |
Deferred tax assets (liabilities), end of period | (126) | (61) |  |
Non-capital loss carryforwards |  |  |  |
Deferred tax assets and liabilities |  |  |  |
Net deferred tax liability | 24 | 32 | 18 | 24
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | 24 | 32 |  |
(Expense) recovery in net income | (6) | (8) |  |
(Expense) recovery in other comprehensive income | 0 | 0 |  |
Other | 0 |  |  |
Deferred tax assets (liabilities), end of period | 18 | 24 |  |
Other |  |  |  |
Deferred tax assets and liabilities |  |  |  |
Net deferred tax liability | 28 | (85) | CAD 40 | CAD 28
Movement of net deferred tax assets and liabilities |  |  |  |
Deferred tax assets (liabilities), beginning of period | 28 | (85) |  |
(Expense) recovery in net income | (45) | 20 |  |
(Expense) recovery in other comprehensive income | 57 | 93 |  |
Other | 0 |  |  |
Deferred tax assets (liabilities), end of period | CAD 40 | CAD 28 |  |

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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2017-01-01 -Paragraph 81 -Subparagraph g -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2017-03-01&anchor=para_81_g_ii&doctype=Standard -URIDate 2017-03-09 + Details
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