XML 57 R27.htm IDEA: XBRL DOCUMENT v3.20.1
Income Taxes (Tables)
3 Months Ended
Mar. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of Income Taxes
Income tax expense included in our accompanying consolidated statements of operations are as follows (in millions, except percentages): 
 
Three Months Ended March 31,
 
2020
 
2019
Income tax expense
$
60

 
$
172

Effective tax rate
(26.0
)%
 
23.3
%