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Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Consolidated Statements of Income |  |  |  |
Operating revenues (a) | $ 34,662 | $ 31,293 | $ 69,829 | $ 57,601
Costs and expenses: |  |  |  |
Cost of sales | 31,621 | 28,380 | 64,656 | 52,948
Operating expenses: |  |  |  |
Refining | 868 | 813 | 1,832 | 1,557
Retail | 170 | 169 | 336 | 331
Ethanol | 85 | 104 | 172 | 199
General and administrative expenses | 171 | 151 | 335 | 281
Depreciation and amortization expense | 386 | 386 | 770 | 751
Asset impairment loss | 0 | 0 | 611 | 0
Total costs and expenses | 33,301 | 30,003 | 68,712 | 56,067
Operating income | 1,361 | 1,290 | 1,117 | 1,534
Other income (expense), net | (5) | 10 | 1 | 27
Interest and debt expense, net of capitalized interest | (74) | (107) | (173) | (224)
Income from continuing operations before income tax expense | 1,282 | 1,193 | 945 | 1,337
Income tax expense | 452 | 449 | 547 | 489
Income from continuing operations | 830 | 744 | 398 | 848
Loss from discontinued operations, net of income taxes | 0 | (1) | 0 | (7)
Net income | 830 | 743 | 398 | 841
Less: Net loss attributable to noncontrolling interest | (1) | (1) | (1) | (1)
Net income attributable to Valero Energy Corporation stockholders | 831 | 744 | 399 | 842
Net income attributable to Valero Energy Corporation stockholders: |  |  |  |
Continuing operations | 831 | 745 | 399 | 849
Discontinued operations | 0 | (1) | 0 | (7)
Total | 831 | 744 | 399 | 842
Earnings per common share: |  |  |  |
Continuing operations | $ 1.50 | $ 1.31 | $ 0.72 | $ 1.49
Discontinued operations | $ 0.00 | $ 0.00 | $ 0.00 | $ (0.01)
Total | $ 1.50 | $ 1.31 | $ 0.72 | $ 1.48
Weighted-average common shares outstanding (in millions) | 550 | 567 | 550 | 567
Earnings per common share - assuming dilution: |  |  |  |
Continuing operations | $ 1.50 | $ 1.30 | $ 0.72 | $ 1.48
Discontinued operations | $ 0.00 | $ 0.00 | $ 0.00 | $ (0.01)
Total | $ 1.50 | $ 1.30 | $ 0.72 | $ 1.47
Weighted-average common shares outstanding - assuming dilution (in millions) | 555 | 574 | 556 | 573
Dividends per common share | $ 0.15 | $ 0.05 | $ 0.30 | $ 0.10
Supplemental Information [Abstract] |  |  |  |
(a) Includes excise taxes on sales by our U.S. retail system | $ 241 | $ 227 | $ 475 | $ 441

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