XML 142 R48.htm IDEA: XBRL DOCUMENT v3.10.0.1

income taxes (Tables)

12 Months Ended

Dec. 31, 2018

income taxes

Expense composition

Years ended December 31 (millions)		2018				2017
					(adjusted –
					Note 2(c))
Current income tax expense
For the current reporting period		$	483		$	205
Adjustments recognized in the current period for income taxes of prior periods			(5)			(82)
			478			123
Deferred income tax expense (recovery)
Arising from the origination and reversal of temporary differences			75			361
Revaluation of deferred income tax liability to reflect future income tax rates			—			28
Adjustments recognized in the current period for income taxes of prior periods			(1)			78
			74			467
		$	552		$	590

Rate reconciliations

Years ended December 31 ($ in millions)		2018					2017
							(adjusted –Note 2(c))
Income taxes computed at applicable statutory rates		$	586		27.0	%	$	578		26.7	%
Revaluation of deferred income tax liability to reflect future income tax rates			—		—			28		1.3
Adjustments recognized in the current period for income taxes of prior periods			(6)		(0.3)			(4)		(0.2)
Other			(28)		(1.3)			(12)		(0.6)
Income tax expense per Consolidated statements of income and other comprehensive income		$	552		25.4	%	$	590		27.2	%

Temporary differences

		Property, plant									Net pension												Partnership
		and equipment									and share-						Losses						income
		and intangible			Intangible			Contract			based			Provisions not			available to						unallocated for			Net deferred
		assets subject			assets with			assets with			compensation			currently			be carried						income tax			income tax
(millions)		to amortization			indefinite lives			liabilities			amounts			deductible			forward 1			Other			purposes			liability
As at January 1, 2017
As previously reported		$	870		$	1,457		$	—		$	(48)		$	(148)		$	(6)		$	(18)		$	(5)		$	2,102
IFRS 15, Revenue from Contracts with Customers transitional amount (Note 2(c))			—			—			404			—			—			—			—			—			404
As adjusted 2			870			1,457			404			(48)			(148)			(6)			(18)			(5)			2,506
Deferred income tax expense recognized in
Net income (Note 2(c))			348			84			37			(11)			8			(1)			(3)			5			467
Other comprehensive income			—			—			—			(61)			—			—			4			—			(57)
Deferred income taxes charged directly to owners’ equity and other			3			20			—			—			—			—			(3)			—			20
As at December 31, 2017 3			1,221			1,561			441			(120)			(140)			(7)			(20)			—			2,936
Deferred income tax expense recognized in
Net income			14			78			55			(20)			(10)			1			(44)			—			74
Other comprehensive income			—			—			—			119			—			—			(6)			—			113
Deferred income taxes charged directly to owners’ equity and other			(2)			79			—			—			(54)			—			1			—			24
As at December 31, 2018 4		$	1,233		$	1,718		$	496		$	(21)		$	(204)		$	(6)		$	(69)		$	—		$	3,147

1 We expect to be able to utilize our non-capital losses prior to expiry.

2 Deferred tax liability of $2,511, net of deferred tax asset of $5 (included in Other long-term assets).

3 Deferred tax liability of $2,941, net of deferred tax asset of $5 (included in Other long-term assets).

4 Deferred tax liability of $3,152, net of deferred tax asset of $5 (included in Other long-term assets).

X

- Definition

The disclosure of deferred taxes. [Refer: Deferred tax liabilities; Deferred tax assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 10
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_DisclosureOfDeferredTaxesExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carry-forwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

No definition available.

+ Details

Name:	tu_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix:	tu_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pre-tax income from continuing operations.

+ References

No definition available.

+ Details

Name:	tu_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	tu_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration