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Schedule I - Condensed Financial Information of Parent (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 146,000,000 |  |  |  |  |  |  |  | $ 170,000,000 |  |  |  |  |  |  |  | $ 146,000,000 |  | $ 170,000,000 |  | $ 1,469,000,000 |
Other current assets | 395,000,000 |  |  |  |  |  |  |  | 149,000,000 |  |  |  |  |  |  |  | 395,000,000 |  | 149,000,000 |  |  |
Total current assets | 3,312,000,000 |  |  |  |  |  |  |  | 2,672,000,000 |  |  |  |  |  |  |  | 3,312,000,000 |  | 2,672,000,000 |  |  |
Other | 686,000,000 |  |  |  |  |  |  |  | 708,000,000 |  |  |  |  |  |  |  | 686,000,000 |  | 708,000,000 |  |  |
Total assets | 46,646,000,000 |  |  |  |  |  |  |  | 44,394,000,000 |  |  |  |  |  |  |  | 46,646,000,000 |  | 44,394,000,000 |  |  |
Liabilities and Equity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable | 1,407,000,000 |  |  |  |  |  |  |  | 1,423,000,000 |  |  |  |  |  |  |  | 1,407,000,000 |  | 1,423,000,000 |  |  |
Other current liabilities | 1,186,000,000 |  |  |  |  |  |  |  | 1,166,000,000 |  |  |  |  |  |  |  | 1,186,000,000 |  | 1,166,000,000 |  |  |
Total current liabilities | 4,881,000,000 |  |  |  |  |  |  |  | 3,744,000,000 |  |  |  |  |  |  |  | 4,881,000,000 |  | 3,744,000,000 |  |  |
Long-term debt | 9,825,000,000 |  |  |  |  |  |  |  | 9,231,000,000 |  |  |  |  |  |  |  | 9,825,000,000 |  | 9,231,000,000 |  |  |
Common stockholders' equity | 11,691,000,000 |  |  |  |  |  |  |  | 11,191,000,000 |  |  |  |  |  |  |  | 11,691,000,000 |  | 11,191,000,000 |  | 11,086,000,000 | 11,494,000,000
Total liabilities and equity | 46,646,000,000 |  |  |  |  |  |  |  | 44,394,000,000 |  |  |  |  |  |  |  | 46,646,000,000 |  | 44,394,000,000 |  |  |
Condensed Statements of Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue and other income | 2,943,000,000 |  | 3,960,000,000 |  | 3,046,000,000 |  | 2,632,000,000 |  | 3,060,000,000 |  | 3,734,000,000 |  | 2,653,000,000 |  | 2,415,000,000 |  | 12,581,000,000 |  | 11,862,000,000 |  | 10,588,000,000 |
Operating expenses and interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,866,000,000 |  | 9,577,000,000 |  | 8,527,000,000 |
Loss before equity in earnings of subsidiaries | 505,000,000 |  | 789,000,000 |  | (71,000,000) |  | 492,000,000 |  | 765,000,000 |  | 713,000,000 |  | 420,000,000 |  | 389,000,000 |  | 1,715,000,000 |  | 2,285,000,000 |  | 2,061,000,000 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 242,000,000 |  | 267,000,000 |  | 568,000,000 |
Income from continued operations | 289,000,000 | [1] | 488,000,000 | [1] | (82,000,000) | [1] | 286,000,000 | [1] | 812,000,000 | [2],[3] | 382,000,000 | [2],[3] | 207,000,000 | [2],[3] | 196,000,000 | [2],[3] | 979,000,000 | [1] | 1,594,000,000 | [2],[3] | 1,100,000,000 |
Income (loss) from discontinued operations, net of tax | 37,000,000 |  | (25,000,000) |  | 12,000,000 |  | 12,000,000 |  | (1,326,000,000) | [4] | (167,000,000) | [4] | (109,000,000) | [4] | (84,000,000) | [4] | 36,000,000 |  | (1,686,000,000) | [4] | (1,078,000,000) |
Net income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,015,000,000 |  | (92,000,000) |  | 22,000,000 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74,000,000 |  | 52,000,000 |  | (63,000,000) |
Comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 989,000,000 |  | (131,000,000) |  | (100,000,000) |
Weighted-average shares of common stock outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 326 |  | 326 |  | 326 |
Basic earnings (loss) per share – continuing operations (in dollars per share) | $ 0.81 |  | $ 1.42 |  | $ (0.33) |  | $ 0.79 |  | $ 2.42 |  | $ 1.09 |  | $ 0.56 |  | $ 0.54 |  | $ 2.70 |  | $ 4.61 |  | $ 3.20 |
Basic earnings (loss) per share – discontinued operations (in dollars per share) | $ 0.11 |  | $ (0.08) |  | $ 0.04 |  | $ 0.04 |  | $ (4.07) |  | $ (0.51) |  | $ (0.33) |  | $ (0.26) |  | $ 0.11 |  | $ (5.17) |  | $ (3.31) |
Total (in dollars per share) | $ 0.92 |  | $ 1.34 |  | $ (0.29) |  | $ 0.83 |  | $ (1.65) |  | $ 0.58 |  | $ 0.23 |  | $ 0.28 |  | $ 2.81 |  | $ (0.56) |  | $ (0.11) |
Diluted earnings (loss) per share – continuing operations (in dollars per share) | $ 0.81 |  | $ 1.41 |  | $ (0.33) |  | $ 0.78 |  | $ 2.39 |  | $ 1.09 |  | $ 0.55 |  | $ 0.54 |  | $ 2.67 |  | $ 4.55 |  | $ 3.17 |
Diluted earnings (loss) per share – discontinued operations (in dollars per share) | $ 0.11 |  | $ (0.07) |  | $ 0.04 |  | $ 0.04 |  | $ (4.03) |  | $ (0.51) |  | $ (0.33) |  | $ (0.26) |  | $ 0.11 |  | $ (5.11) |  | $ (3.28) |
Total (in dollars per share) | $ 0.92 |  | $ 1.34 |  | $ (0.29) |  | $ 0.82 |  | $ (1.64) |  | $ 0.58 |  | $ 0.22 |  | $ 0.28 |  | $ 2.78 |  | $ (0.56) |  | $ (0.11) |
Condensed Statements of Cash Flows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,203,000,000 |  | 3,334,000,000 |  | 3,906,000,000 |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt financing, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,000,000 |  | (264,000,000) |  | 410,000,000 |
Settlements of stock-based compensation, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (48,000,000) |  | (68,000,000) |  | (15,000,000) |
Dividends paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (440,000,000) |  | (424,000,000) |  | (417,000,000) |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 581,000,000 |  | 650,000,000 |  | 1,107,000,000 |
Net cash provided by investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,808,000,000) |  | (5,283,000,000) |  | (4,933,000,000) |
Net increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (24,000,000) |  | (1,299,000,000) |  | 80,000,000 |
Cash and cash equivalents at beginning of year |  |  |  |  |  |  | 170,000,000 |  |  |  |  |  |  |  | 1,469,000,000 |  | 170,000,000 |  | 1,469,000,000 |  | 1,389,000,000 |
Cash and cash equivalents at end of year | 146,000,000 |  |  |  |  |  |  |  | 170,000,000 |  |  |  |  |  |  |  | 146,000,000 |  | 170,000,000 |  | 1,469,000,000 |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt | 209,000,000 |  |  |  |  |  |  |  | 175,000,000 |  |  |  |  |  |  |  | 209,000,000 |  | 175,000,000 |  |  |
Weighted average interest rate (as a percent) | 0.55% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.55% |  |  |  |  |
Commitment | 1,250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000,000 |  |  |  |  |
Outstanding borrowings | 34,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,000,000 |  |  |  |  |
Consolidated debt to total capitalization, ratio | 0.45 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.45 |  |  |  |  |
Senior Notes Due 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate on debt (as a percent) | 3.75% |  |  |  |  |  |  |  | 3.75% |  |  |  |  |  |  |  | 3.75% |  | 3.75% |  |  |
Revolving credit facility maturing in July 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment | 1,250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000,000 |  |  |  |  |
Outstanding borrowings | 34,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,000,000 |  |  |  |  |
Amount available | 1,216,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,216,000,000 |  |  |  |  |
Consolidated debt to total capitalization, ratio | 0.65 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.65 |  |  |  |  |
Edison International |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | 13,000,000 |  |  |  |  |  |  |  | 64,000,000 |  |  |  |  |  |  |  | 13,000,000 |  | 64,000,000 |  | 28,000,000 |
Other current assets | 166,000,000 |  |  |  |  |  |  |  | 18,000,000 |  |  |  |  |  |  |  | 166,000,000 |  | 18,000,000 |  |  |
Total current assets | 179,000,000 |  |  |  |  |  |  |  | 82,000,000 |  |  |  |  |  |  |  | 179,000,000 |  | 82,000,000 |  |  |
Investments in subsidiaries | 10,328,000,000 |  |  |  |  |  |  |  | 9,903,000,000 |  |  |  |  |  |  |  | 10,328,000,000 |  | 9,903,000,000 |  |  |
Deferred income tax | 559,000,000 |  |  |  |  |  |  |  | 555,000,000 |  |  |  |  |  |  |  | 559,000,000 |  | 555,000,000 |  |  |
Other | 615,000,000 |  |  |  |  |  |  |  | 414,000,000 |  |  |  |  |  |  |  | 615,000,000 |  | 414,000,000 |  |  |
Total assets | 11,681,000,000 |  |  |  |  |  |  |  | 10,954,000,000 |  |  |  |  |  |  |  | 11,681,000,000 |  | 10,954,000,000 |  |  |
Liabilities and Equity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable | 3,000,000 |  |  |  |  |  |  |  | 105,000,000 |  |  |  |  |  |  |  | 3,000,000 |  | 105,000,000 |  |  |
Other current liabilities | 629,000,000 |  |  |  |  |  |  |  | 184,000,000 |  |  |  |  |  |  |  | 629,000,000 |  | 184,000,000 |  |  |
Total current liabilities | 632,000,000 |  |  |  |  |  |  |  | 289,000,000 |  |  |  |  |  |  |  | 632,000,000 |  | 289,000,000 |  |  |
Long-term debt | 400,000,000 |  |  |  |  |  |  |  | 400,000,000 |  |  |  |  |  |  |  | 400,000,000 |  | 400,000,000 |  |  |
Other | 721,000,000 |  |  |  |  |  |  |  | 833,000,000 |  |  |  |  |  |  |  | 721,000,000 |  | 833,000,000 |  |  |
Common stockholders' equity | 9,928,000,000 |  |  |  |  |  |  |  | 9,432,000,000 |  |  |  |  |  |  |  | 9,928,000,000 |  | 9,432,000,000 |  |  |
Total liabilities and equity | 11,681,000,000 |  |  |  |  |  |  |  | 10,954,000,000 |  |  |  |  |  |  |  | 11,681,000,000 |  | 10,954,000,000 |  |  |
Condensed Statements of Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue and other income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Operating expenses and interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,000,000 |  | 80,000,000 |  | 63,000,000 |
Loss before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (72,000,000) |  | (80,000,000) |  | (63,000,000) |
Equity in earnings (loss) of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 922,000,000 |  | 1,590,000,000 |  | 1,077,000,000 |
Income before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 850,000,000 |  | 1,510,000,000 |  | 1,014,000,000 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (29,000,000) |  | 7,000,000 |  | (27,000,000) |
Income from continued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 879,000,000 |  | 1,503,000,000 |  | 1,041,000,000 |
Income (loss) from discontinued operations, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 36,000,000 |  | (1,686,000,000) |  | (1,078,000,000) |
Net income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 915,000,000 |  | (183,000,000) |  | (37,000,000) |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 52,000,000 |  | (63,000,000) |
Comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 989,000,000 |  | (131,000,000) |  | (100,000,000) |
Weighted-average shares of common stock outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 326 |  | 326 |  | 326 |
Basic earnings (loss) per share – continuing operations (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.70 |  | $ 4.61 |  | $ 3.20 |
Basic earnings (loss) per share – discontinued operations (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.11 |  | $ (5.17) |  | $ (3.31) |
Total (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.81 |  | $ (0.56) |  | $ (0.11) |
Diluted earnings (loss) per share – continuing operations (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.67 |  | $ 4.55 |  | $ 3.17 |
Diluted earnings (loss) per share – discontinued operations (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.11 |  | $ (5.11) |  | $ (3.28) |
Total (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.78 |  | $ (0.56) |  | $ (0.11) |
Condensed Statements of Cash Flows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 387,000,000 |  | 355,000,000 |  | 437,000,000 |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable due to consolidated affiliate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  | 130,000,000 |  | 0 |
Short-term debt financing, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,000,000 |  | (15,000,000) |  | (9,000,000) |
Settlements of stock-based compensation, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (6,000,000) |  | (10,000,000) |  | (5,000,000) |
Dividends paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (440,000,000) |  | (424,000,000) |  | (417,000,000) |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (403,000,000) |  | (319,000,000) |  | (431,000,000) |
Net cash provided by investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (35,000,000) |  | 0 |  | 1,000,000 |
Net increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (51,000,000) |  | 36,000,000 |  | 7,000,000 |
Cash and cash equivalents at beginning of year |  |  |  |  |  |  | 64,000,000 |  |  |  |  |  |  |  | 28,000,000 |  | 64,000,000 |  | 28,000,000 |  | 21,000,000 |
Cash and cash equivalents at end of year | 13,000,000 |  |  |  |  |  |  |  | 64,000,000 |  |  |  |  |  |  |  | 13,000,000 |  | 64,000,000 |  | 28,000,000 |
Dividends [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends received from consolidated subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 486,000,000 |  | 469,000,000 |  | 461,000,000 |
Minimum percentage of weighted-average common equity component authorization, set by CPUC (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48.00% |  |  |  |  |
Related Party Transactions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current receivables due from affiliates | 34,000,000 |  |  |  |  |  |  |  | 23,000,000 |  |  |  |  |  |  |  | 34,000,000 |  | 23,000,000 |  |  |
Current payables due to affiliates | 69,000,000 |  |  |  |  |  |  |  | 146,000,000 |  |  |  |  |  |  |  | 69,000,000 |  | 146,000,000 |  |  |
Long-term receivables due from affiliate | 486,000,000 |  |  |  |  |  |  |  | 322,000,000 |  |  |  |  |  |  |  | 486,000,000 |  | 322,000,000 |  |  |
Long-term payables due to affiliates | 135,000,000 |  |  |  |  |  |  |  | 112,000,000 |  |  |  |  |  |  |  | 135,000,000 |  | 112,000,000 |  |  |
Impairment and other charges, after tax |  |  |  |  |  |  |  |  | 1,300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Edison International | Senior Notes Due 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  |  |  |  |
Edison International | Revolving credit facility maturing in July 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount available | 1,216,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,216,000,000 |  |  |  |  |
Edison International | Debentures and notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate on debt (as a percent) | 3.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.75% |  |  |  |  |
Southern California Edison |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | 54,000,000 |  |  |  |  |  |  |  | 45,000,000 |  |  |  |  |  |  |  | 54,000,000 |  | 45,000,000 |  | 57,000,000 |
Other current assets | 393,000,000 |  |  |  |  |  |  |  | 171,000,000 |  |  |  |  |  |  |  | 393,000,000 |  | 171,000,000 |  |  |
Total current assets | 3,075,000,000 |  |  |  |  |  |  |  | 2,562,000,000 |  |  |  |  |  |  |  | 3,075,000,000 |  | 2,562,000,000 |  |  |
Other | 398,000,000 |  |  |  |  |  |  |  | 531,000,000 |  |  |  |  |  |  |  | 398,000,000 |  | 531,000,000 |  |  |
Total assets | 46,050,000,000 |  |  |  |  |  |  |  | 44,034,000,000 |  |  |  |  |  |  |  | 46,050,000,000 |  | 44,034,000,000 |  |  |
Liabilities and Equity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable | 1,373,000,000 |  |  |  |  |  |  |  | 1,297,000,000 |  |  |  |  |  |  |  | 1,373,000,000 |  | 1,297,000,000 |  |  |
Other current liabilities | 1,091,000,000 |  |  |  |  |  |  |  | 1,105,000,000 |  |  |  |  |  |  |  | 1,091,000,000 |  | 1,105,000,000 |  |  |
Total current liabilities | 4,398,000,000 |  |  |  |  |  |  |  | 3,513,000,000 |  |  |  |  |  |  |  | 4,398,000,000 |  | 3,513,000,000 |  |  |
Long-term debt | 9,422,000,000 |  |  |  |  |  |  |  | 8,828,000,000 |  |  |  |  |  |  |  | 9,422,000,000 |  | 8,828,000,000 |  |  |
Common stockholders' equity | 12,138,000,000 |  |  |  |  |  |  |  | 11,743,000,000 |  |  |  |  |  |  |  | 12,138,000,000 |  | 11,743,000,000 |  | 9,958,000,000 | 9,207,000,000
Total liabilities and equity | 46,050,000,000 |  |  |  |  |  |  |  | 44,034,000,000 |  |  |  |  |  |  |  | 46,050,000,000 |  | 44,034,000,000 |  |  |
Condensed Statements of Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue and other income | 2,931,000,000 |  | 3,957,000,000 |  | 3,045,000,000 |  | 2,629,000,000 |  | 3,057,000,000 |  | 3,731,000,000 |  | 2,651,000,000 |  | 2,412,000,000 |  | 12,562,000,000 |  | 11,851,000,000 |  | 10,577,000,000 |
Operating expenses and interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,811,000,000 |  | 9,572,000,000 |  | 8,454,000,000 |
Loss before equity in earnings of subsidiaries | 505,000,000 |  | 804,000,000 |  | (55,000,000) |  | 498,000,000 |  | 792,000,000 |  | 659,000,000 |  | 430,000,000 |  | 397,000,000 |  | 1,751,000,000 |  | 2,279,000,000 |  | 2,123,000,000 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 279,000,000 |  | 214,000,000 |  | 601,000,000 |
Net income (loss) | 283,000,000 | [1],[2],[3] | 502,000,000 | [1],[2],[3] | (67,000,000) | [1],[2],[3] | 283,000,000 | [1],[2],[3] | 858,000,000 | [2],[3] | 388,000,000 | [2],[3] | 214,000,000 | [2],[3] | 201,000,000 | [2],[3] | 1,000,000,000 | [1],[2],[3] | 1,660,000,000 | [2],[3] | 1,144,000,000 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,000,000 |  | (5,000,000) |  | 1,000,000 |
Condensed Statements of Cash Flows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,284,000,000 |  | 4,086,000,000 |  | 3,261,000,000 |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt financing, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,000,000) |  | (250,000,000) |  | 419,000,000 |
Settlements of stock-based compensation, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (43,000,000) |  | (57,000,000) |  | (10,000,000) |
Dividends paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (587,000,000) |  | (551,000,000) |  | (520,000,000) |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 508,000,000 |  | 256,000,000 |  | 799,000,000 |
Net cash provided by investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,783,000,000) |  | (4,354,000,000) |  | (4,260,000,000) |
Net increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,000,000 |  | (12,000,000) |  | (200,000,000) |
Cash and cash equivalents at beginning of year |  |  |  |  |  |  | 45,000,000 |  |  |  |  |  |  |  | 57,000,000 |  | 45,000,000 |  | 57,000,000 |  | 257,000,000 |
Cash and cash equivalents at end of year | 54,000,000 |  |  |  |  |  |  |  | 45,000,000 |  |  |  |  |  |  |  | 54,000,000 |  | 45,000,000 |  | 57,000,000 |
Dividends [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common equity component authorization, set by CPUC remaining over number of months (in months) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13 months |  |  |  |  |
Period for calculation of weighted average common equity component (months) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13 months |  |  |  |  |
Weighted-average common equity component of total capitalization (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49.20% |  |  |  |  |
Capacity to pay additional dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 247,000,000 |  |  |  |  |
Restriction on net assets | 11,900,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,900,000,000 |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt | 175,000,000 |  |  |  |  |  |  |  | 175,000,000 |  |  |  |  |  |  |  | 175,000,000 |  | 175,000,000 |  |  |
Related Party Transactions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expenses from services provided by SCE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 |  | 4,000,000 |  | 3,000,000 |
Southern California Edison | Revolving credit facility maturing in July 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment | 2,750,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,750,000,000 |  |  |  |  |
Outstanding borrowings | 175,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 175,000,000 |  |  |  |  |
Amount available | 2,459,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,459,000,000 |  |  |  |  |
Southern California Edison | Debentures and notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and Credit Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross | $ 307,000,000 |  |  |  |  |  |  |  | $ 307,000,000 |  |  |  |  |  |  |  | $ 307,000,000 |  | $ 307,000,000 |  |  |
[1] | During the second quarter of 2013, SCE recorded an impairment charge of $575 million ($365 million after tax) related to the permanent retirement of San Onofre Units 2 and 3.
[2] | During the fourth quarter of 2012, SCE corrected errors, primarily related to deferred taxes, that resulted in a net earnings benefit of $33 million which were not considered material to the current and prior period consolidated financial statements.
[3] | During the fourth quarter of 2012, SCE implemented the 2012 GRC Decision which resulted in an earnings impact of approximately $500 million.
[4] | During the fourth quarter of 2012, Edison International recorded a full impairment of its investment in EME. See Note 16 for further information.

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