COMMITMENTS AND CONTINGENT LIABILITIES COMMITMENTS AND CONTINGENT LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule Of Impacts from the Initial and Second ROE Complaints [Table Text Block]

The recognition of the obligations associated with the complaints resulted in a reduction of revenues and net income and additional interest expense as set forth in the table below for the periods indicated.

	Three months ended				Nine months ended
	September 30,				September 30,
(in millions)	2017		2016		2017		2016
Revenue reduction	$	—	$	55	$	—	$	81
Interest expense increase	1		4		4		7
Estimated net income reduction (a)	—		35		2		53

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(a) Includes an effect on net income of $27 million for the three and nine months ended September 30, 2016 for revenue initially recognized in 2015, 2014 and 2013.