Quarterly report pursuant to Section 13 or 15(d)

Equity - Additional Information (Details)

v3.19.3
Equity - Additional Information (Details) - 2013 Plan [Member] - Restricted Stock and Restricted Stock Units [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares awarded (in shares)     586,909  
Equity-based compensation expense $ 3 $ 3 $ 10 $ 8
Unrecognized compensation expense $ 17   $ 17  
Weighted-average term in which unrecognized compensation expense is expected to be recognized     2 years