Debt and Credit Agreements	6 Months Ended
Debt and Credit Agreements	Jun. 30, 2012
Debt Disclosure [Abstract]
Debt and Credit Agreements	Debt and Credit Agreements Long-Term Debt In March 2012, SCE issued $400 million of 4.05% first and refunding mortgage bonds due in 2042. The proceeds from these bonds were used to repay commercial paper borrowings and to fund SCE's capital program. Credit Agreements and Short-Term Debt During the second quarter of 2012, SCE replaced its credit facilities with a $2.75 billion five-year revolving credit facility that matures in May 2017. The credit facility is generally used to support commercial paper and letters of credit issued for procurement-related collateral requirements, balancing account undercollections and for general corporate purposes, including working capital requirements to support operations and capital expenditures. At June 30, 2012, SCE's outstanding commercial paper supported by the credit facility was $300 million at a weighted-average interest rate of 0.43%. At June 30, 2012, letters of credit issued under SCE's credit facility aggregated $63 million and are scheduled to expire in twelve months or less. At December 31, 2011, the outstanding commercial paper was $419 million at a weighted-average interest rate of 0.44%.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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