Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]



	As Filed		Adjustment			As Revised
	(in millions)
December 31, 2013
Regulatory asset	$	2,999	$	2		$	3,001
Total other assets	3,042		2			3,044
Total Assets	9,609		2			9,611
Accumulated deferred income taxes, net	2,035		(15		)	2,020
Total other liabilities	2,817		(15		)	2,802
Retained earnings	1		17			18
Member’s equity	1,233		17			1,250
Total liabilities and Member’s equity	9,609		2			9,611
December 31, 2012
Retained earnings	498		17			515
Member’s equity	1,729		17			1,746
January 1, 2012
Retained earnings	1,904		17			1,921

- Definition

Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made.

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