v3.22.4
Income taxes (Tables)
 12 Months Ended
Dec. 31, 2022
Major components of tax expense (income) [abstract]  
Expense composition
Years Ended December 31 (millions)202220212020
Current income tax expense (recovery)
For current reporting year$96 $82 $58 
Adjustments recognized in the current period for income tax of prior periods1 1 (10)
97 83 48 
Deferred income tax expense (recovery)
Arising from the origination and reversal of temporary differences(31)(15)(3)
Adjustments recognized in the current period for income tax of prior periods1 (4)3 
(30)(19)— 
$67 $64 $48 
Rate reconciliations
Our income tax expense and effective income tax rate differs from that calculated by applying the applicable statutory rates for the following reasons:
Years Ended December 31 (millions except percentages)202220212020
Income taxes computed at applicable statutory rates$57 22.7 %$32 22.6 %$37 24.2 %
Non-deductible items9 16 10 
Withholding and other taxes23 18 8 
Losses not recognized7 6 3 
Foreign tax differential(30)(3)(2)
Adjustments recognized in the current period for income tax of prior periods2 (3)(7)
Other(1)(2)(1)
Income tax expense$67 26.8 %$64 45.1 %$48 31.6 %
Temporary differences
Temporary differences comprising the net deferred income tax asset and the amounts of deferred income taxes recognized in the consolidated statement of income and other comprehensive income and the consolidated statement of changes in owners’ equity are estimated as follows:
(millions)Property, plant and equipment
and intangible
assets subject
to amortization		Net pension
and share-
based
compensation
amounts		Debt and
equity issue
costs		Provisions
and other		Non-capital
loss carried
forward		LeasesNet deferred
income tax
asset
(liability)
As at January 1, 2021$(356)$6 $(1)$15 17 2 $(317)
Acquired during the year and other(3)— — — — — (3)
Deferred income tax (expense) recovery recognized in:
Net income32 (3)— (9)(2)1 19 
Other comprehensive income— — — (1)— — (1)
Foreign currency translation$11 $— $— $— $— $— 11 
Share capital $— $— $9 $— $— $— 9 
Other$— $1 $— $(1)$— $— — 
As at December 31, 2021$(316)$4 $8 $4 $15 $3 $(282)
Deferred income tax (expense) recovery recognized in:
Net income32 (3)(2)9 (5)(1)30 
Other comprehensive income8 — — (1)— — 7 
Foreign currency translation — — — (5)— — (5)
As at December 31, 2022$(276)$1 $6 $7 $10 $2 $(250)
Presented on the consolidated statement of financial position as:
Deferred income tax asset$23 
Deferred income tax liability(305)
As at December 31, 2021$(282)
Deferred income tax asset$14 
Deferred income tax liability(264)
As at December 31, 2022$(250)