The company’s Canadian domestic statutory income tax rate has remained consistent at 26% throughout 2013. The company’s  effective tax rate is different from the company’s domestic statutory income tax rate due to the following differences set out  below: The aggregate amount of temporary differences associated with investments in subsidiaries for which deferred tax liabilities  have not been recognized as at December 31, 2013 is approximately $8 billion (2012 – approximately $7 billion). The company regularly assesses the status of open tax examinations and its historical tax filing positions for the potential for  adverse outcomes to determine the adequacy of the provision for income and other taxes. The company believes that it has  adequately provided for any tax adjustments that are more likely than not to occur as a result of ongoing tax examinations or  historical filing positions. The dividend payment on certain preferred shares of the company results in the payment of cash taxes and the company obtaining  a deduction based on the amount of these taxes. The following table details the expiry date, if applicable, of the unrecognized deferred tax assets: Deferred income tax assets and liabilities as at December 31, 2013 and 2012 relate to the following: YEARS ENDED DECEMBER 31 2013 2012 Statutory income tax rate  26% 26% Increase (reduction) in rate resulting from: Portion of gains subject to different tax rates  (1) (1) International operations subject to different tax rates  (3) (9) Taxable income attribute to non-controlling interest  (7) (1) Recognition of deferred tax assets  (2) (1) Non-recognition of the benefit of current year’s tax losses  3 3 Other  2 (1) Effective income tax rate  18% 16% (MILLIONS) Dec. 31, 2013 Dec. 31, 2012 Non-capital losses (Canada)  $ 878 $ 834 Capital losses (Canada)  215 166 Losses (U.S.)  385 408 Losses (International)  511 705 Difference in basis  (6,741) (6,873) Total net deferred tax liabilities  $ (4,752) $ (4,760) (MILLIONS) Dec. 31, 2013 Dec. 31, 2012 2014  $  2 $  1 2015  2 2 2016  1 2 After 2021  327 311 Do not expire  1,491 589 Total $ 1,823 $ 905 The components of the income taxes in other comprehensive income for the years ended December 31, 2013 and 2012 are set  out below: 128 BROOKFIELD ASSET MANAGEMENT  YEARS ENDED DECEMBER 31  (MILLIONS) 2013 2012 Revaluation of property, plant and equipment  $ 135 $ 433 Financial contracts and power sale agreements  129 5 Available-for-sale securities  (10) 10 Equity accounted investments  37 (10) Foreign currency translation  (10) (4) Revaluation of pension obligation  (1) (2) Total deferred tax in other comprehensive income  $  280 $  432