v3.19.1

Quarterly Consolidated Financial Data (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Consolidated Financial Data (unaudited) |
| Quarter Ended
| December 31 |  | September 30 |  | June 30 |  | March 31
| (in millions)
2018 |  |  |  |  |  |  |
Operating revenues | $ | 2,354 |  |  | $ | 2,890 |  |  | $ | 2,259 |  |  | $ | 2,009 |
Income (loss) from operations | $ | 105 |  |  | $ | 568 |  |  | $ | 417 |  |  | $ | (328 | )
Net income (loss) attributable to Calpine | $ | (16 | ) |  | $ | 272 |  |  | $ | 352 |  |  | $ | (598 | )
2017 |  |  |  |  |  |  |
Operating revenues | $ | 1,801 |  |  | $ | 2,586 |  |  | $ | 2,084 |  |  | $ | 2,281 |
Income (loss) from operations | $ | (100 | ) |  | $ | 393 |  |  | $ | 13 |  |  | $ | 72 |
Net income (loss) attributable to Calpine | $ | (292 | ) |  | $ | 225 |  |  | $ | (216 | ) |  | $ | (56 | )

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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