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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts | EDISON INTERNATIONAL SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
|  |  | Additions |  |  |  |
(in millions) | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
For the Year ended December 31, 2012 |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  |  |  |  |  |  |  |  |
Customers | $ | 42.0 |  |  | $ | 34.6 |  |  | $ | — |  |  | $ | 30.0 |  |  | $ | 46.6 |
All others | 37.6 |  |  | 58.6 |  |  | — |  |  | 16.7 |  |  | 79.5 |
Total allowance for uncollectible accounts | $ | 79.6 |  |  | $ | 93.2 |  |  | $ | — |  |  | $ | 46.7 |  | a | $ | 126.1 |
Tax valuation allowance | $ | — |  |  | $ | — |  |  | $ | 1,016.5 |  | b | $ | — |  |  | $ | 1,016.5 |
For the Year ended December 31, 2011 |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  |  |  |  |  |  |  |  |
Customers | $ | 36.1 |  |  | $ | 31.0 |  |  | $ | — |  |  | $ | 25.1 |  |  | $ | 42.0 |
All others | 53.8 |  |  | 19.2 |  |  | — |  |  | 35.4 |  | c | 37.6 |
Total allowance for uncollectible accounts | $ | 89.9 |  |  | $ | 50.2 |  |  | $ | — |  |  | $ | 60.5 |  | a | $ | 79.6 |
For the Year ended December 31, 2010 |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  |  |  |  |  |  |  |  |
Customers | $ | 33.9 |  |  | $ | 27.0 |  |  | $ | — |  |  | $ | 24.8 |  |  | $ | 36.1 |
All others | 22.1 |  |  | 15.0 |  |  | 24.5 |  | c | 7.8 |  |  | 53.8 |
Total allowance for uncollectible accounts | $ | 56.0 |  |  | $ | 42.0 |  |  | $ | 24.5 |  |  | $ | 32.6 |  | a | $ | 89.9 |
a | Accounts written off, net.
b | Edison International recorded deferred tax assets of $1.5 billion related to net operating losses and tax carryforwards that pertain to Edison International's consolidated or combined federal and state tax returns, including EME. Edison International continues to consolidate EME for federal and certain combined state tax returns. Under federal and state tax regulations, a tax deconsolidation of EME in future periods, as expected through the bankruptcy proceeding, would result in EME retaining a portion of such carryforward benefits and reducing the amounts that Edison International would be eligible to use in future periods. As a result of the expected future tax deconsolidation and separation of EME from Edison International, Edison International has recorded a valuation allowance of $1.0 billion based on the estimated amount of such benefits as of December 31, 2012, as calculated under the applicable federal and state tax regulations.
c | In 2010, SCE recorded a reserve against an uncollectible receivable related to contract termination negotiations. During 2011, the $23 million was written-off.
SOUTHERN CALIFORNIA EDISON COMPANY SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
|  |  | Additions |  |  |  |
(in millions) | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
For the Year ended December 31, 2012 |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  |  |  |  |  |  |  |  |
Customers | $ | 42.0 |  |  | $ | 34.6 |  |  | $ | — |  |  | $ | 30.0 |  |  | $ | 46.6 |
All others | 33.0 |  |  | 12.0 |  |  | — |  |  | 16.7 |  |  | 28.3 |
Total allowance for uncollectible accounts | $ | 75.0 |  |  | $ | 46.6 |  |  | $ | — |  |  | $ | 46.7 |  | a | $ | 74.9 |
For the Year ended December 31, 2011 |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  |  |  |  |  |  |  |  |
Customers | $ | 36.1 |  |  | $ | 31.0 |  |  | $ | — |  |  | $ | 25.1 |  |  | $ | 42.0 |
All others | 49.4 |  |  | 18.9 |  |  | — |  |  | 35.3 |  | b | 33.0 |
Total allowance for uncollectible accounts | $ | 85.5 |  |  | $ | 49.9 |  |  | $ | — |  |  | $ | 60.4 |  | a | $ | 75.0 |
For the Year ended December 31, 2010 |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  |  |  |  |  |  |  |  |
Customers | $ | 33.9 |  |  | $ | 27.0 |  |  | $ | — |  |  | $ | 24.8 |  |  | $ | 36.1 |
All others | 19.0 |  |  | 14.8 |  |  | 22.8 |  | b | 7.2 |  |  | 49.4 |
Total allowance for uncollectible accounts | $ | 52.9 |  |  | $ | 41.8 |  |  | $ | 22.8 |  |  | $ | 32.0 |  | a | $ | 85.5 |
a | Accounts written off, net.
b | In 2010, SCE recorded a reserve against an uncollectible receivable related to contract termination negotiations. During 2011, the $23 million was written-off.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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