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Other Material Contingencies (Tables)
9 Months Ended
Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]  
Total Guarantees

A summary, by type and term, of Con Edison’s total guarantees at September 30, 2014 is as follows:

 

Guarantee Type   0 – 3 years     4 – 10 years     > 10 years     Total  
    (Millions of Dollars)  

Energy transactions

  $ 760      $ 25      $ 96      $ 881   

Solar energy projects

    507                      507   

Other

    30                      30   

Total

  $ 1,297      $ 25      $ 96      $ 1,418