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Interest and Other Income (Tables)
3 Months Ended
Mar. 31, 2018
Interest and Other Income [Abstract]  
Components of interest and other income
The following table provides the components of the Company's interest and other income for the three months ended March 31, 2018 and 2017:
 
Three Months Ended
March 31,
 
2018
 
2017
 
(in millions)
Interest income
$
7

 
$
6

Deferred compensation plan income
4

 
2

Seismic data sales
3

 

Severance and sales tax refunds
2

 
3

Other income
2

 
2

Total interest and other income
$
18

 
$
13