Income taxes (Tables)

12 Months Ended

Dec. 31, 2018

Significant components of income taxes deducted from net earnings

The following table shows the significant components of income taxes deducted from net earnings.



FOR THE YEAR ENDED DECEMBER 31		2018		2017
Current taxes
	Current taxes	(775	)	(758	)
	Uncertain tax positions	8		(9	)
	Change in estimate relating to prior periods	12		40
Deferred taxes
	Deferred taxes relating to the origination and reversal of temporary differences	(352	)	(71	)
	Change in estimate relating to prior periods	8		11
	Recognition and utilization of loss carryforwards	44		(304	)
	Effect of change in provincial corporate tax rate	—		(3	)
	Resolution of uncertain tax positions	60		25
Total income taxes		(995	)	(1,069	)

Reconciliation of reported income taxes in the income statement

The following table reconciles the amount of reported income taxes in the income statements with income taxes calculated at a statutory income tax rate of 27.0% and 27.1% for 2018 and 2017, respectively.



FOR THE YEAR ENDED DECEMBER 31	2018		2017
Net earnings	2,973		3,050
Add back income taxes	995		1,069
Earnings before income taxes	3,968		4,119
Applicable statutory tax rate	27.0	%	27.1	%
Income taxes computed at applicable statutory rates	(1,071	)	(1,116	)
Non-taxable portion of losses on investments	(9	)	(1	)
Uncertain tax positions	68		16
Effect of change in provincial corporate tax rate	—		(3	)
Change in estimate relating to prior periods	20		51
Non-taxable portion of equity losses	(10	)	(10	)
Other	7		(6	)
Total income taxes	(995	)	(1,069	)
Average effective tax rate	25.1	%	25.9	%

Disclosure of current and deferred taxes

The following table shows aggregate current and deferred taxes relating to items recognized outside the income statements.



FOR THE YEAR ENDED DECEMBER 31	2018				2017
	OTHER COMPREHENSIVE INCOME		DEFICIT		OTHER COMPREHENSIVE LOSS	DEFICIT
Current taxes	41		5		10	9
Deferred taxes	(104	)	(11	)	103	2
Total income taxes (expense) recovery	(63	)	(6	)	113	11

Deferred taxes resulting from temporary differences

The following table shows deferred taxes resulting from temporary differences between the carrying amounts of assets and liabilities recognized in the statements of financial position and their corresponding tax basis, as well as tax loss carryforwards.



NET DEFERRED TAX LIABILITY	NOTE	NON- CAPITAL LOSS CARRY- FORWARDS		POST EMPLOYMENT BENEFIT PLANS		INDEFINITE- LIFE INTANGIBLE ASSETS		PROPERTY, PLANT AND EQUIPMENT AND FINITE- LIFE INTANGIBLE ASSETS		INVESTMENT TAX CREDITS		CRTC TANGIBLE BENEFITS		OTHER		TOTAL
January 1, 2017		21		454		(1,680	)	(1,198	)	(9	)	44		(128	)	(2,496	)
Income statement		(304	)	(31	)	(8	)	10		7		(14	)	(2	)	(342	)
Business acquisitions	3	300		(11	)	(73	)	(209	)	(5	)	—		10		12
Other comprehensive income		—		82		—		—		—		—		21		103
Deficit		—		—		—		—		—		—		2		2
Other		—		—		—		(3	)	—		—		(2	)	(5	)
December 31, 2017		17		494		(1,761	)	(1,400	)	(7	)	30		(99	)	(2,726	)
Income statement		109		(14	)	(2	)	(248	)	3		(14	)	(74	)	(240	)
Business acquisitions		3		—		—		(16	)	—		—		1		(12	)
Other comprehensive income		—		(65	)	—		—		—		—		(39	)	(104	)
Deficit		—		—		—		—		—		—		(11	)	(11	)
Other		—		—		—		15		—		—		27		42
December 31, 2018		129		415		(1,763	)	(1,649	)	(4	)	16		(195	)	(3,051	)