XML 61 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Quarterly Supplementary Data (Tables)
 12 Months Ended
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]  
Unaudited Quarterly Financial Information
This table includes unaudited quarterly financial information for the years ended December 31, 2018 and 2017:
(Dollars in millions, except per share data)
 
Quarter
 
 
 
 
1st
 
2nd
 
3rd
 
4th
 
Full year
2018
 
 

 
 

 
 

 
 

 
 

Revenues
 
$
1,224

 
$
1,558

 
$
1,915

 
$
710

 
$
5,407

Income (loss) before income taxes
 
(50
)
 
264

 
618

 
(581
)
 
251

Net income (loss)
 
(31
)
 
217

 
553

 
(452
)
 
287

Net income (loss) per common share—basic
 
(0.19
)
 
1.33

 
3.40

 
(2.78
)
 
1.76

Net income (loss) per common share—diluted
 
(0.19
)
 
1.32

 
3.38

 
(2.78
)
 
1.75

 
 
 
 
 
 
 
 
 
 
 
2017
 
 

 
 

 
 

 
 

 
 

Revenues
 
$
1,523

 
$
1,386

 
$
1,412

 
$
1,411

 
$
5,732

Income before income taxes
 
276

 
128

 
129

 
197

 
730

Net income
 
201

 
100

 
102

 
642

 
1,045

Net income per common share—basic
 
1.22

 
0.61

 
0.62

 
3.92

 
6.36

Net income per common share—diluted
 
1.21

 
0.60

 
0.61

 
3.88

 
6.29