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Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Electric utility | $ 11,848 |  | $ 10,574 | $ 9,980
Other | 14 |  | 14 | 16
Total operating revenue | 11,862 |  | 10,588 | 9,996
Fuel | 308 |  | 367 | 363
Purchased power | 3,831 |  | 2,989 | 2,930
Operation and maintenance | 3,904 |  | 3,718 | 3,608
Depreciation, decommissioning and amortization | 1,562 |  | 1,427 | 1,274
(Gain) loss on sale of assets, disallowances and other | (28) |  | 26 | 2
Total operating expenses | 9,577 |  | 8,527 | 8,177
Operating income | 2,285 |  | 2,061 | 1,819
Interest and dividend income | 10 |  | 6 | 10
Equity in income from unconsolidated affiliates, net | 1 |  | 0 | 2
Other income | 138 |  | 141 | 141
Interest expense | (521) |  | (485) | (440)
Other expenses | (52) |  | (55) | (53)
Income from continuing operations before income taxes | 1,861 |  | 1,668 | 1,479
Income tax expense | 267 |  | 568 | 335
Income from continuing operations | 1,594 | [1],[2] | 1,100 | 1,144
Income (loss) from discontinued operations, net of tax | (1,686) | [3] | (1,078) | 164
Net income (loss) | (92) |  | 22 | 1,308
Dividends on preferred and preference stock of utility | 91 |  | 59 | 52
Net income attributable to common shareholders | (183) |  | (37) | 1,256
Amounts attributable to common shareholders: |  |  |  |
Income from continuing operations, net of tax | 1,503 |  | 1,041 | 1,092
Income (loss) from discontinued operations, net of tax | (1,686) | [3] | (1,078) | 164
Net income attributable to common shareholders | (183) |  | (37) | 1,256
Basic earnings (loss) per common share attributable to Edison International common shareholders: |  |  |  |
Weighted-average shares of common stock outstanding (in shares) | 326 |  | 326 | 326
Continuing operations (in dollars per share) | $ 4.61 |  | $ 3.20 | $ 3.34
Discontinued operations (in dollars per share) | $ (5.17) |  | $ (3.31) | $ 0.50
Total (in dollars per share) | $ (0.56) |  | $ (0.11) | $ 3.84
Diluted earnings (loss) per common share attributable to Edison International common shareholders: |  |  |  |
Weighted-average shares of common stock outstanding, including effect of dilutive securities (in shares) | 330 |  | 329 | 329
Continuing operations (in dollars per share) | $ 4.55 |  | $ 3.17 | $ 3.32
Discontinued operations (in dollars per share) | $ (5.11) |  | $ (3.28) | $ 0.50
Total (in dollars per share) | $ (0.56) |  | $ (0.11) | $ 3.82
Dividends declared per common share (in dollars per share) | $ 1.3125 |  | $ 1.285 | $ 1.265
Southern California Edison |  |  |  |
Total operating revenue | 11,851 |  | 10,577 | 9,983
Fuel | 308 |  | 367 | 363
Purchased power | 3,831 |  | 2,989 | 2,930
Operation and maintenance | 3,544 |  | 3,387 | 3,291
Depreciation, decommissioning and amortization | 1,562 |  | 1,426 | 1,273
Property and other taxes | 295 |  | 285 | 263
Disallowances and other | 32 |  | 0 | (1)
Total operating expenses | 9,572 |  | 8,454 | 8,119
Operating income | 2,279 |  | 2,123 | 1,864
Interest and dividend income | 7 |  | 5 | 7
Other income | 137 |  | 135 | 141
Interest expense | (499) |  | (463) | (429)
Other expenses | (50) |  | (55) | (51)
Income from continuing operations before income taxes | 1,874 |  | 1,745 | 1,532
Income tax expense | 214 |  | 601 | 440
Net income (loss) | 1,660 | [1],[2] | 1,144 | 1,092
Dividends on preferred and preference stock of utility | 91 |  | 59 | 52
Net income attributable to common shareholders | 1,569 |  | 1,085 | 1,040
Amounts attributable to common shareholders: |  |  |  |
Net income attributable to common shareholders | $ 1,569 |  | $ 1,085 | $ 1,040
[1] | 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.
[2] | During the fourth quarter of 2012, SCE implemented the 2012 GRC Decision which resulted in an earnings impact of approximately $500 million.
[3] | During the fourth quarter of 2012, Edison International recorded a full impairment of its $1.2 billion investment in EME. See Note 17 for further information.

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