XML 161 R73.htm IDEA: XBRL DOCUMENT v3.22.1
Income Taxes - Summary of Income Tax Rate (Detail)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Canadian statutory income tax rate 26.50% 26.50%
Tax on repatriation of foreign earnings 2.90% 4.40%
Net effect of losses not benefited 1.80% 8.10%
Re-measurement of deferred tax assets [1] 1.50% 0.00%
Foreign exchange re-measurement [2] 1.20% 3.40%
Impairment of investments [note 2] 0.00% 8.60%
Manufacturing and processing profits deduction (0.20%) (0.10%)
Valuation allowance on deferred tax assets (0.70%) 0.60%
Earnings of equity accounted investees (1.30%) (3.60%)
Reserve for uncertain tax positions (2.50%) (4.00%)
Research and development tax credits (3.40%) (3.70%)
Foreign rate differentials (3.90%) (7.30%)
Others (1.60%) (0.20%)
Effective income tax rate 20.30% 32.70%
[1] Re-measurement of deferred tax assets of a China subsidiary.
[2] Includes foreign exchange gains reported on U.S. dollar denominated assets for Mexican tax purposes that are not recognized for GAAP purposes and losses related to the re-measurement of financial statement balances of foreign subsidiaries, primarily in Mexico, that are maintained in a currency other than their functional currency.