v3.20.1
Consolidated Condensed Statements of Operations (Unaudited) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Operating revenues:    
Commodity revenue $ 1,943 $ 2,538
Mark-to-market gain 345 56
Other revenue 4 5
Operating revenues [1] 2,292 2,599
Operating expenses:    
Commodity expense 1,347 1,758
Mark-to-market loss 144 10
Fuel and purchased energy expense 1,491 1,768
Operating and maintenance expense 240 239
Depreciation and amortization expense 164 174
General and other administrative expense 31 32
Other operating expenses 17 34
Total operating expenses 1,943 2,247
(Income) from unconsolidated subsidiaries 0 (6)
Income from operations 349 358
Interest expense 169 149
Gain on extinguishment of debt 0 (4)
Other (income) expense, net 4 23
Income before income taxes 176 190
Income tax expense 46 10
Net income (loss) 130 180
Net income attributable to the noncontrolling interest (2) (5)
Net income attributable to Calpine $ 128 $ 175
[1] Includes intersegment revenues of $119 million and $162 million in the West, $218 million and $211 million in Texas, $175 million and $137 million in the East and $1 million and $3 million in Retail for the three months ended March 31, 2020 and 2019, respectively.