SEGMENT RESULTS-AT-A-GLANCE
  Year ended December 31 (millions of dollars)
    2006   2005   2004    
  Pipelines Net Earnings              
  Excluding gains 547   630   577    
  Gain on sale of Northern Border Partners, L.P. interest 13   —   —    
  Gain on sale of PipeLines LP units —   49   —    
  Gain on sale of Millennium —   —   7    
     
    560   679   584    
     
  Energy Net Earnings              
  Excluding gains 452   258   211    
  Gain on sale of Paiton Energy —   115   —    
  Gains related to Power LP —   193   187    
     
    452   566   398    
     
  Corporate 39   (36)   (2)    
     
  Net Income              
  Continuing Operations(1) 1,051   1,209   980    
  Discontinued Operations 28   —   52    
     
    1,079   1,209   1,032    
     
  Net Income Per Share               
  Continuing Operations(2) $2.15   $2.49   $2.02    
  Discontinued Operations 0.06   —   0.11    
     
  Basic $2.21   $2.49   $2.13    
     
     
  (1)Net Income from Continuing Operations:  
  Excluding gains 1,038   852   786    
  Gains as noted above 13   357   194    
    1,051   1,209   980    
     
  (2)Net Income Per Share from Continuing Operations:  
  Excluding gains $2.12   $1.75   $1.62    
  Gains as noted above 0.03   0.74   0.40    
    $2.15   $2.49   $2.02