For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Edison Mission Energy
Related Party Transaction [Line Items]
Due from Related Parties	$ 325
Revenue from Related Parties	2	7	5
Capistrano Wind Holdings
Related Party Transaction [Line Items]
Deferred Tax Allocation Credits Related Party	120	36
Southern California Edison \| Edison Mission Energy
Related Party Transaction [Line Items]
Revenue from Related Parties		93
Purchase Commitment \| Southern California Edison \| Edison Mission Energy
Related Party Transaction [Line Items]
Long-term payables due to related party	$ 10