SUBSEQUENT EVENTS	9 Months Ended
Sep. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENT On October 13, 2016, IEnova priced a private follow-on offering of its common stock (which trades under the symbol IENOVA on the Mexican Stock Exchange) in the U.S. and outside of Mexico (the International Offering) and a concurrent public common stock offering in Mexico (the Mexican Offering) at 80.00 Mexican pesos per share. The initial purchasers in the International Offering and the underwriters in the Mexican Offering were granted a 30-day option to purchase additional common shares at the global offering price, less the underwriting discount, to cover overallotments. These options were exercised on October 17, 2016. Sempra Energy also participated in the Mexican Offering by purchasing 83,125,000 shares of common stock for approximately $351 million. After the offerings and the exercise of the overallotment options, the aggregate shares of common stock sold in the offerings totaled 380,000,000. Upon completion of the offerings on October 19, 2016, Sempra Energy beneficially owns approximately 66.4 percent of IEnova. The net proceeds of the offerings, including the additional option shares, were approximately $1.57 billion in U.S. dollars or 29.86 billion Mexican pesos. IEnova used the net proceeds of the offerings to repay the $1.150 billion bridge loan from Sempra Global that was used to finance the GdC acquisition and expects to use part of such proceeds to pay for a portion of the purchase price to acquire Ventika in the fourth quarter of 2016. We discuss these acquisitions in Note 3. Any remaining proceeds will be used to fund capital expenditures and for general corporate purposes. All U.S. dollar equivalents presented here were based on an exchange rate of 18.96 Mexican pesos to 1.00 U.S. dollar as of October 13, 2016, the pricing date for the offerings. Net proceeds are after reduction for underwriting discounts and commissions and offering expenses. The International Offering was exempt from registration under the U.S. Securities Act of 1933, as amended (the Securities Act), and shares in the International Offering were offered and sold only to qualified institutional buyers pursuant to Rule 144A under the Securities Act and to persons outside of the United States, in accordance with Regulation S under the Securities Act. The shares were not registered under the Securities Act or any state securities laws, and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act and applicable securities laws.

SUBSEQUENT EVENT

On October 13, 2016, IEnova priced a private follow-on offering of its common stock (which trades under the symbol IENOVA on the Mexican Stock Exchange) in the U.S. and outside of Mexico (the International Offering) and a concurrent public common stock offering in Mexico (the Mexican Offering) at 80.00 Mexican pesos per share. The initial purchasers in the International Offering and the underwriters in the Mexican Offering were granted a 30-day option to purchase additional common shares at the global offering price, less the underwriting discount, to cover overallotments. These options were exercised on October 17, 2016. Sempra Energy also participated in the Mexican Offering by purchasing 83,125,000 shares of common stock for approximately $351 million. After the offerings and the exercise of the overallotment options, the aggregate shares of common stock sold in the offerings totaled 380,000,000. Upon completion of the offerings on October 19, 2016, Sempra Energy beneficially owns approximately 66.4 percent of IEnova.

The net proceeds of the offerings, including the additional option shares, were approximately $1.57 billion in U.S. dollars or 29.86 billion Mexican pesos. IEnova used the net proceeds of the offerings to repay the $1.150 billion bridge loan from Sempra Global that was used to finance the GdC acquisition and expects to use part of such proceeds to pay for a portion of the purchase price to acquire Ventika in the fourth quarter of 2016. We discuss these acquisitions in Note 3. Any remaining proceeds will be used to fund capital expenditures and for general corporate purposes.

All U.S. dollar equivalents presented here were based on an exchange rate of 18.96 Mexican pesos to 1.00 U.S. dollar as of October 13, 2016, the pricing date for the offerings. Net proceeds are after reduction for underwriting discounts and commissions and offering expenses.

The International Offering was exempt from registration under the U.S. Securities Act of 1933, as amended (the Securities Act), and shares in the International Offering were offered and sold only to qualified institutional buyers pursuant to Rule 144A under the Securities Act and to persons outside of the United States, in accordance with Regulation S under the Securities Act. The shares were not registered under the Securities Act or any state securities laws, and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act and applicable securities laws.