Guarantees of Debt (Tables)

3 Months Ended

Mar. 31, 2016

Power [Member]

Debt Instrument [Line Items]

Schedule Of Financial Statements Of Guarantors

	Power			Guarantor Subsidiaries			Other Subsidiaries			Consolidating Adjustments			Total
	Millions
Three Months Ended March 31, 2016
Operating Revenues	$	—		$	1,302		$	42		$	(31	)	$	1,313
Operating Expenses	10			952			39			(31		)	970
Operating Income (Loss)	(10		)	350			3			—			343
Equity Earnings (Losses) of Subsidiaries	205			(1		)	2			(204		)	2
Other Income	17			32			—			(23		)	26
Other Deductions	—			(18		)	—			—			(18		)
Other-Than-Temporary Impairments	—			(10		)	—			—			(10		)
Interest Expense	(30		)	(10		)	(5		)	23			(22		)
Income Tax Benefit (Expense)	10			(140		)	1			—			(129		)
Net Income (Loss)	$	192		$	203		$	1		$	(204	)	$	192
Comprehensive Income (Loss)	$	215		$	219		$	1		$	(220	)	$	215
Three Months Ended March 31, 2016
Net Cash Provided By (Used In)    Operating Activities	$	271		$	480		$	47		$	(135	)	$	663
Net Cash Provided By (Used In)    Investing Activities	$	(598	)	$	(428	)	$	(246	)	$	613		$	(659	)
Net Cash Provided By (Used In)    Financing Activities	$	326		$	(51	)	$	203		$	(478	)	$	—

	Power			Guarantor Subsidiaries			Other Subsidiaries			Consolidating Adjustments			Total
	Millions
Three Months Ended March 31, 2015
Operating Revenues	$	—		$	1,715		$	68		$	(58	)	$	1,725
Operating Expenses	5			1,131			63			(58		)	1,141
Operating Income (Loss)	(5		)	584			5			—			584
Equity Earnings (Losses) of Subsidiaries	349			(1		)	3			(348		)	3
Other Income	11			30			—			(12		)	29
Other Deductions	—			(11		)	—			—			(11		)
Other-Than-Temporary Impairments	—			(5		)	—			—			(5		)
Interest Expense	(29		)	(9		)	(5		)	12			(31		)
Income Tax Benefit (Expense)	9			(242		)	(1		)	—			(234		)
Net Income (Loss)	$	335		$	346		$	2		$	(348	)	$	335
Comprehensive Income (Loss)	$	347		$	351		$	2		$	(353	)	$	347
Three Months Ended March 31, 2015
Net Cash Provided By (Used In)    Operating Activities	$	327		$	772		$	11		$	(260	)	$	850
Net Cash Provided By (Used In)    Investing Activities	$	(537	)	$	(515	)	$	(13	)	$	430		$	(635	)
Net Cash Provided By (Used In)    Financing Activities	$	210		$	(242	)	$	2		$	(170	)	$	(200	)

	Power		Guarantor Subsidiaries		Other Subsidiaries		Consolidating Adjustments			Total
	Millions
As of March 31, 2016
Current Assets	$	4,819	$	1,934	$	283	$	(5,005	)	$	2,031
Property, Plant and Equipment, net	88		6,465		1,773		—			8,326
Investment in Subsidiaries	4,615		345		—		(4,960		)	—
Noncurrent Assets	138		2,046		133		(57		)	2,260
Total Assets	$	9,660	$	10,790	$	2,189	$	(10,022	)	$	12,617
Current Liabilities	$	1,316	$	3,809	$	1,192	$	(5,005	)	$	1,312
Noncurrent Liabilities	441		2,637		382		(57		)	3,403
Long-Term Debt	1,685		—		—		—			1,685
Member's Equity	6,218		4,344		615		(4,960		)	6,217
Total Liabilities and Member's Equity	$	9,660	$	10,790	$	2,189	$	(10,022	)	$	12,617
As of December 31, 2015
Current Assets	$	4,501	$	1,912	$	364	$	(4,828	)	$	1,949
Property, Plant and Equipment, net	83		6,502		1,542		—			8,127
Investment in Subsidiaries	4,501		346		—		(4,847		)	—
Noncurrent Assets	155		1,959		136		(76		)	2,174
Total Assets	$	9,240	$	10,719	$	2,042	$	(9,751	)	$	12,250
Current Liabilities	$	1,112	$	3,866	$	1,076	$	(4,828	)	$	1,226
Noncurrent Liabilities	442		2,597		375		(76		)	3,338
Long-Term Debt	1,684		—		—		—			1,684
Member's Equity	6,002		4,256		591		(4,847		)	6,002
Total Liabilities and Member's Equity	$	9,240	$	10,719	$	2,042	$	(9,751	)	$	12,250