Organization and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2012

Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract]

Schedule of Variable Interest Entities [Table Text Block]

	March 31, 2012
	Securitization		Other		Total		Restricted Amounts
	(In millions)
ASSETS
Cash and cash equivalents	$	—	$	12	$	12	$	—
Restricted cash	46		6		52		52
Accounts receivable	34		16		50		36
Inventories	—		106		106		—
Other current assets	—		2		2		—
Property, plant and equipment	—		72		72		22
Securitized regulatory assets	536		—		536		536
Other assets	9		6		15		15
	$	625	$	220	$	845	$	661
LIABILITIES
Accounts payable and accrued current liabilities	$	3	$	32	$	35	$	3
Current portion long-term debt, including capital leases	168		8		176		176
Other current liabilities	48		—		48		48
Mortgage bonds, notes and other	—		28		28		28
Securitization bonds	391		—		391		391
Capital lease obligations	—		12		12		12
Other long-term liabilities	7		2		9		8
	$	617	$	82	$	699	$	666

	December 31, 2011
	Securitization		Other		Total		Restricted Amounts
	(In millions)
ASSETS
Cash and cash equivalents	$	—	$	25	$	25	$	—
Restricted cash	107		7		114		114
Accounts receivable	34		17		51		36
Inventories	—		183		183		—
Other current assets	—		1		1		—
Property, plant and equipment	—		73		73		23
Securitized regulatory assets	577		—		577		577
Other assets	10		6		16		16
	$	728	$	312	$	1,040	$	766
LIABILITIES
Accounts payable and accrued current liabilities	$	14	$	24	$	38	$	14
Current portion long-term debt, including capital leases	164		7		171		171
Other current liabilities	55		—		55		55
Mortgage bonds, notes and other	—		30		30		30
Securitization bonds	479		—		479		479
Capital lease obligations	—		14		14		14
Other long term liabilities	7		2		9		8
	$	719	$	77	$	796	$	771

Summary of amounts for non-consolidated VIEs [Table Text Block]

Amounts for non-consolidated VIEs as of March 31, 2012 and December 31, 2011 are as follows:

	March 31, 2012		December 31, 2011
	(In millions)
Other investments	$	123	$	117
Notes receivable	7		7