v3.19.1
Consolidated Condensed Statements of Operations - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Operating revenues:    
Commodity revenue $ 2,538 $ 2,396
Mark-to-market gain (loss) 56 (391)
Other revenue 5 4
Operating revenues [1] 2,599 2,009
Operating expenses:    
Commodity expense 1,758 1,790
Mark-to-market (gain) loss 10 (20)
Fuel and purchased energy expense 1,768 1,770
Operating and maintenance expense 239 275
Depreciation and amortization expense 174 201
General and other administrative expense 32 60
Other operating expenses 34 37
Total operating expenses 2,247 2,343
(Income) from unconsolidated subsidiaries (6) (6)
Income (loss) from operations 358 (328)
Interest expense 149 151
Gain on extinguishment of debt (4) 0
Other (income) expense, net 23 7
Income (loss) before income taxes 190 (486)
Income tax expense 10 108
Net income (loss) 180 (594)
Net income attributable to the noncontrolling interest (5) (4)
Net income (loss) attributable to Calpine $ 175 $ (598)
[1] Includes intersegment revenues of $162 million and $114 million in the West, $211 million and $(67) million in Texas, $137 million and $115 million in the East and $3 million and $1 million in Retail for the three months ended March 31, 2019 and 2018, respectively.