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Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Consolidated Statements of Income |  |  |
Operating revenues | $ 138,074 | $ 139,250 | $ 125,987
Costs and expenses: |  |  |
Cost of sales | 127,316 | 127,268 | 115,719
Operating expenses: |  |  |
Refining | 3,704 | 3,668 | 3,406
Retail | 226 | 686 | 678
Ethanol | 387 | 332 | 399
General and administrative expenses | 758 | 698 | 571
Depreciation and amortization expense | 1,720 | 1,574 | 1,534
Asset impairment losses | 0 | 1,014 | 0
Total costs and expenses | 134,111 | 135,240 | 122,307
Operating income | 3,963 | 4,010 | 3,680
Gain on disposition of retained interest in CST Brands, Inc. | 325 | 0 | 0
Other income, net | 59 | 9 | 43
Interest and debt expense, net of capitalized interest | (365) | (313) | (401)
Income from continuing operations before income tax expense | 3,982 | 3,706 | 3,322
Income tax expense | 1,254 | 1,626 | 1,226
Income from continuing operations | 2,728 | 2,080 | 2,096
Loss from discontinued operations, net of income taxes | 0 | 0 | (7)
Net income | 2,728 | 2,080 | 2,089
Less: Net income (loss) attributable to noncontrolling interests | 8 | (3) | (1)
Net income attributable to Valero Energy Corporation stockholders | 2,720 | 2,083 | 2,090
Net income attributable to Valero Energy Corporation stockholders: |  |  |
Continuing operations | 2,720 | 2,083 | 2,097
Discontinued operations | 0 | 0 | (7)
Net income attributable to Valero Energy Corporation stockholders | $ 2,720 | $ 2,083 | $ 2,090
Earnings per common share: |  |  |
Continuing operations | $ 4.99 | $ 3.77 | $ 3.70
Discontinued operations | $ 0.00 | $ 0.00 | $ (0.01)
Total | $ 4.99 | $ 3.77 | $ 3.69
Weighted-average common shares outstanding (in millions) | 542 | 550 | 563
Earnings per common share – assuming dilution: |  |  |
Continuing operations | $ 4.97 | $ 3.75 | $ 3.69
Discontinued operations | $ 0.00 | $ 0.00 | $ (0.01)
Total | $ 4.97 | $ 3.75 | $ 3.68
Weighted-average common shares outstanding – assuming dilution (in millions) | 548 | 556 | 569
Dividends per common share | $ 0.85 | $ 0.65 | $ 0.30

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