v3.3.1.900
Quarterly Consolidated Financial Data (unaudited) (Tables)
 12 Months Ended
Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Consolidated Financial Data (unaudited)
 
Quarter Ended
 
December 31
 
September 30
 
June 30
 
March 31
 
(in millions, except per share amounts)
2015
 
 
 
 
 
 
 
Operating revenues
$
1,436

 
$
1,948

 
$
1,442

 
$
1,646

Income from operations
$
22

 
$
466

 
$
201

 
$
166

Net income (loss) attributable to Calpine
$
(47
)
 
$
273

 
$
19

 
$
(10
)
Net income (loss) per common share attributable to Calpine — Basic
$
(0.13
)
 
$
0.77

 
$
0.05

 
$
(0.03
)
Net income (loss) per common share attributable to Calpine — Diluted
$
(0.13
)
 
$
0.76

 
$
0.05

 
$
(0.03
)
 
 
 
 
 
 
 
 
2014
 
 
 
 
 
 
 
Operating revenues
$
1,939

 
$
2,187

 
$
1,939

 
$
1,965

Income from operations
$
390

 
$
1,126

 
$
329

 
$
144

Net income (loss) attributable to Calpine
$
210

 
$
614

 
$
139

 
$
(17
)
Net income (loss) per common share attributable to Calpine — Basic
$
0.55

 
$
1.54

 
$
0.33

 
$
(0.04
)
Net income (loss) per common share attributable to Calpine — Diluted
$
0.54

 
$
1.52

 
$
0.33

 
$
(0.04
)