text: and circumstances. We have re-evaluated our involvement in our 
  joint arrangements and have accounted for these either using the 
  proportionate 
  equity method 
  depending on whether the investment is defined as a joint operation 
  or a joint venture, respectively. The adoption of IFRS 11 was not 
  material to the current or comparative years. 
  
  consolidation method, or  the 
  
  (cid:129)*IFRS 13, Fair Value Measurement (IFRS 13) –*On January 1, 2013, we 
  adopted IFRS 13, on a prospective basis, which provides a single source 
  of guidance on how fair value is measured, replacing the fair value 
  measurement guidance contained in individual IFRSs. IFRS 13 defines fair 
  value and establishes a framework for measuring fair value. It does not 
  introduce new fair value measurements or eliminate the practicability 
  exceptions to fair value measurements that currently exist in certain 
  standards. We have incorporated the fair 
  value requirements 
  throughout our annual consolidated financial statements. 
  
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              [html]<thead><tr><tdrowspan="2">( In millions of dollars )</td><tdcolspan="3">Years ended December 31</td></tr><tr><td>2013</td><td>2012</td><td>% Chg</td></tr></thead><tbody><tr><td>Revenues</td><td>$ 3</td><td>$</td><td>1</td></tr><tr><td>200</td><td>Purchases</td><td>$ 83</td><td>$ 38</td></tr></tbody>
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