Capitalization (Tables)

6 Months Ended

Jun. 30, 2013

Regulated Operations [Abstract]

Carrying Amounts and Fair Values of Long-Term Debt

The carrying amounts and fair values of long-term debt are:

(Millions of Dollars)	June 30, 2013				December 31, 2012
Long-Term Debt (including current portion)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Con Edison		$10,977		$12,313		$10,768		$12,935
CECONY		$  9,840		$10,991		$  9,845		$11,751