An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date more than one year from the balance sheet date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

Name:	us-gaap_NotesAndLoansReceivableNetNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Basis of Presentation (Details Textuals) (USD $) In Millions, unless otherwise specified			12 Months Ended
	Dec. 31, 2013 customers	Dec. 31, 2012	Dec. 31, 2012 Proceeds from sale of nuclear decommissioning trust funds [Member]	Dec. 31, 2011 Proceeds from sale of nuclear decommissioning trust funds [Member]	Dec. 31, 2012 Investment in nuclear decommissioning trust funds [Member]	Dec. 31, 2011 Investment in nuclear decommissioning trust funds [Member]	Dec. 31, 2013 Variable Interest Entity, Not Primary Beneficiary [Member]	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of Electric Customers	2,100,000
Prior Period Reclassification Adjustment			$ 662	$ 753	$ (662)	$ (753)
Significant Potential Exposure to Loss Due to VIE Long-Term Purchase Contracts	0
Notes receivable related to non-consolidated VIEs	$ 8	$ 3					$ 0	$ 3