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Quarterly Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
The information presented below reflects all adjustments, which, in the opinion of management, are of a normal and recurring nature necessary to present fairly the results of operations for the quarterly periods presented (dollars in millions, except per share amounts):
 
2019
 
2018
 
First
 
Second
 
Third
 
Fourth
 
First
 
Second
 
Third
 
Fourth
Total net revenue
$
755

 
$
685

 
$
767

 
$
679

 
$
708

 
$
710

 
$
720

 
$
735

Net income
$
290

 
$
219

 
$
274

 
$
172

 
$
247

 
$
250

 
$
285

 
$
270

Earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic
$
1.10

 
$
0.90

 
$
1.08

 
$
0.76

 
$
0.88

 
$
0.95

 
$
1.01

 
$
1.07

Diluted
$
1.09

 
$
0.90

 
$
1.08

 
$
0.76

 
$
0.88

 
$
0.95

 
$
1.00

 
$
1.06