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Earnings (Loss) Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Schedule of earnings (loss) per common share, basic and diluted | Earnings (loss) per common share was computed as follows (dollars and shares in millions, except per share amounts):
| Three Months Ended March 31, |  |
| 2021 |  | 2020 |  |  |  |
Loss per common share |  |  |  |  |  |  |
Net loss attributable to Valero stockholders | $ | (704) |  |  | $ | (1,851) |  |  |  |  |
Less: Income allocated to participating securities | 1 |  |  | 1 |  |  |  |  |
Net loss available to common stockholders | $ | (705) |  |  | $ | (1,852) |  |  |  |  |
Weighted-average common shares outstanding | 407 |  |  | 408 |  |  |  |  |
Loss per common share | $ | (1.73) |  |  | $ | (4.54) |  |  |  |  |
Loss per common share – assuming dilution |  |  |  |  |  |  |
Net loss attributable to Valero stockholders | $ | (704) |  |  | $ | (1,851) |  |  |  |  |
Less: Income allocated to participating securities | 1 |  |  | — |  |  |  |  |
Net loss available to common stockholders | $ | (705) |  |  | $ | (1,851) |  |  |  |  |
Weighted-average common shares outstanding – assuming dilution | 407 |  |  | 408 |  |  |  |  |
Loss per common share – assuming dilution | $ | (1.73) |  |  | $ | (4.54) |  |  |  |  |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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