v3.7.0.1
Consolidated Condensed Statements of Operations - USD ($)
shares in Thousands, $ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Operating revenues:    
Commodity revenue $ 2,063 $ 1,585
Mark-to-market gain 214 25
Other revenue 4 5
Operating revenues 2,281 1,615
Operating expenses:    
Commodity expense 1,533 1,006
Mark-to-market loss 159 120
Fuel and purchased energy expense 1,692 1,126
Plant operating expense 282 255
Depreciation and amortization expense 206 180
Sales, general and other administrative expense 40 38
Other operating expenses 20 20
Total operating expenses 2,240 1,619
Gain on sale of assets, net (27) 0
(Income) from unconsolidated subsidiaries (4) (7)
Income from operations 72 3
Interest expense 159 157
Debt extinguishment costs 24 0
Other (income) expense, net 2 5
Loss before income taxes (113) (159)
Income tax expense (benefit) (61) 35
Net income (loss) (52) (194)
Net income attributable to the noncontrolling interest (4) (4)
Net loss attributable to Calpine $ (56) $ (198)
Basic and diluted loss per common share attributable to Calpine:    
Weighted average number of shares outstanding, basic 354,682 353,501
Earnings per share, basic and diluted $ (0.16) $ (0.56)