text: **Impairment of Assets**
  There was no impairment of assets this year. In 2012, we recorded an 
  $80 million impairment charge in the Media segment that included: 
  (cid:129) $67 million in goodwill 
  (cid:129) $8 million in broadcast licences 
  (cid:129) $5 million in program rights. 
  
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              [html]<thead><tr><tdrowspan="2">( In millions of dollars )</td><tdcolspan="2">2013</td></tr><tr><td>2012</td><td>Impact of vesting and change in price Equity derivatives, net of interest receipt</td></tr></thead><tbody><tr><td>$ 768</td><td>$ _77</td><td>Total stock - based compensation expense</td></tr><tr><td>$ 84</td><td>$ 77</td></tr><tr></tr></tbody>
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