v3.19.3
Consolidated Condensed Statements of Operations - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Operating revenues:        
Commodity revenue $ 2,710 $ 2,845 $ 7,376 $ 7,362
Mark-to-market gain (loss) 78 40 601 (220)
Other revenue 4 5 13 16
Operating revenues 2,792 [1] 2,890 [1] 7,990 [2] 7,158 [2]
Operating expenses:        
Commodity expense 1,620 1,912 4,745 5,128
Mark-to-market (gain) loss 11 (66) 301 (143)
Fuel and purchased energy expense 1,631 1,846 5,046 4,985
Operating and maintenance expense 255 248 739 765
Depreciation and amortization expense 173 179 522 566
General and other administrative expense 39 31 105 122
Other operating expenses 15 23 53 79
Total operating expenses 2,113 2,327 6,465 6,517
Impairment losses 0 0 55 0
(Income) from unconsolidated subsidiaries (3) (5) (14) (16)
Income from operations 682 568 1,484 657
Interest expense 153 158 459 466
Loss on extinguishment of debt 12 1 11 1
Other (income) expense, net 5 3 33 72
Income before income taxes 512 406 981 118
Income tax expense 21 128 40 78
Net income (loss) 491 278 941 40
Net income attributable to the noncontrolling interest (6) (6) (15) (14)
Net income attributable to Calpine $ 485 $ 272 $ 926 $ 26
[1] Includes intersegment revenues of $133 million and $160 million in the West, $225 million and $238 million in Texas, $13 million and $19 million in the East and $4 million and $1 million in Retail for the three months ended September 30, 2019 and 2018, respectively.
[2] Includes intersegment revenues of $395 million and $344 million in the West, $784 million and $447 million in Texas, $378 million and $152 million in the East and $8 million and $3 million in Retail for the nine months ended September 30, 2019 and 2018, respectively.